US Bridges

Old Columbia RD over Jamieson Creek

PoorPosted for load

Washington Parish, Louisiana · 4 Mi. N. of Hwy. 25 · Structure no. 625930545900871

Built
1970
55 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
68 ft
4 main spans
Daily traffic
829
2020 count
Owner
County
County Highway Agency

About this bridge

Old Columbia RD over Jamieson Creek is a wood or timber stringer/multi-beam or girder carrying Old Columbia RD over Jamieson Creek in Washington Parish, Louisiana. It was built in 1970, so it is 55 years old, older 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 829 vehicles a day, projected to reach 911 by 2040. The structure is 68 ft (20.7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld Columbia RD
CrossesJamieson Creek
Location4 Mi. N. of Hwy. 25
RouteCounty Highway 0
CountyWashington Parish
StateLouisiana
Coordinates30.91107, -90.14567
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating16.3 US tons
Inventory rating10 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 10
Structure length68 ft (20.7 m)
Longest span18 ft (5.5 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic829 (2020)
Projected traffic911 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Columbia RD over Jamieson Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Old Columbia 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 February 2024.

How much traffic does Old Columbia RD over Jamieson Creek carry?

About 829 vehicles per day (2020 count).

How long is Old Columbia RD over Jamieson Creek?

The structure is 68 ft (20.7 m) long with a longest span of 18 ft (5.5 m) and a deck 25 ft wide.

Who owns Old Columbia RD over Jamieson Creek?

It is owned by the County Highway Agency.