US Bridges

Shady Grove RD over Wilson Creek

Fair

Lincoln Parish, Louisiana · 5 MI SW of Simmsboro · Structure no. 053132283925081

Built
1978
47 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
58 ft
3 main spans
Daily traffic
15
1979 count
Owner
County
County Highway Agency

About this bridge

Shady Grove RD over Wilson Creek is a wood or timber stringer/multi-beam or girder carrying Shady Grove RD over Wilson Creek in Lincoln Parish, Louisiana. It was built in 1978, so it is 47 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15 vehicles a day, projected to reach 16 by 1999. The structure is 58 ft (17.7 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesShady Grove RD
CrossesWilson Creek
Location5 MI SW of Simmsboro
RouteCounty Highway 0
CountyLincoln Parish
StateLouisiana
Coordinates32.47104, -92.84518
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1979)
Projected traffic16 by 1999
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shady Grove RD over Wilson Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Shady Grove RD over Wilson Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Shady Grove RD over Wilson Creek carry?

About 15 vehicles per day (1979 count).

How long is Shady Grove RD over Wilson Creek?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Shady Grove RD over Wilson Creek?

It is owned by the County Highway Agency.