US Bridges

Foster Arbor RD over Topy Creek

Good

Bienville Parish, Louisiana · 3.1 Mi. West of LA 153 · Structure no. 040732097930991

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Foster Arbor RD over Topy Creek is a concrete slab carrying Foster Arbor RD over Topy Creek in Bienville Parish, Louisiana. It was built in 2000, so it is 25 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 2040. The structure is 95 ft (29 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFoster Arbor RD
CrossesTopy Creek
Location3.1 Mi. West of LA 153
RouteCounty Highway 0
Coordinates32.16166, -93.16523
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic110 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Foster Arbor RD over Topy Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Foster Arbor RD over Topy 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 May 2023.

How much traffic does Foster Arbor RD over Topy Creek carry?

About 100 vehicles per day (2020 count).

How long is Foster Arbor RD over Topy Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Foster Arbor RD over Topy Creek?

It is owned by the County Highway Agency.