US Bridges

River RD over Unnamed Creek

Good

Grant Parish, Louisiana · 2.21 Mi. West of US 71 · Structure no. 082231405925481

Built
2003
22 years old
Condition
Good
inspected February 2023
Type
Culvert
Steel
Length
33 ft
5 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

River RD over Unnamed Creek is a steel culvert carrying River RD over Unnamed Creek in Grant Parish, Louisiana. It was built in 2003, so it is 22 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 110 by 2042. The structure is 33 ft (10.1 m) long and 18 ft wide.

CarriesRiver RD
CrossesUnnamed Creek
Location2.21 Mi. West of US 71
RouteCounty Highway 0
Coordinates31.67466, -92.912
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span5 ft (1.5 m)
Deck width18 ft (5.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic110 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was River RD over Unnamed Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is River RD over Unnamed Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does River RD over Unnamed Creek carry?

About 100 vehicles per day (2022 count).

How long is River RD over Unnamed Creek?

The structure is 33 ft (10.1 m) long with a longest span of 5 ft (1.5 m) and a deck 18 ft wide.

Who owns River RD over Unnamed Creek?

It is owned by the County Highway Agency.