US Bridges

Jamerson Cr. RD over Jamieson Creek

PoorPosted for load

Washington Parish, Louisiana · 0.8 M W of Highway 430 · Structure no. 625930547900771

Built
1990
35 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
35 ft
2 main spans
Daily traffic
183
2022 count
Owner
County
County Highway Agency

About this bridge

Jamerson Cr. RD over Jamieson Creek is a wood or timber stringer/multi-beam or girder carrying Jamerson Cr. RD over Jamieson Creek in Washington Parish, Louisiana. It was built in 1990, so it is 35 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 183 vehicles a day, projected to reach 201 by 2042. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesJamerson Cr. RD
CrossesJamieson Creek
Location0.8 M W of Highway 430
RouteCounty Highway 0
CountyWashington Parish
StateLouisiana
Coordinates30.91403, -90.12999
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating15 US tons
Inventory rating10 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 10
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2022)
Projected traffic201 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$151,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jamerson Cr. RD over Jamieson Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Jamerson Cr. RD over Jamieson Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Jamerson Cr. RD over Jamieson Creek carry?

About 183 vehicles per day (2022 count).

How long is Jamerson Cr. RD over Jamieson Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 20 ft wide.

Who owns Jamerson Cr. RD over Jamieson Creek?

It is owned by the County Highway Agency.