US Bridges

Troy Lane over Little Tensas Bayou

Good

Tensas Parish, Louisiana · 0.3 Miles N of Lee Road · Structure no. 585431471912701

Built
1984
41 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
46
1983 count
Owner
County
County Highway Agency

About this bridge

Troy Lane over Little Tensas Bayou is a concrete slab carrying Troy Lane over Little Tensas Bayou in Tensas Parish, Louisiana. It was built in 1984, so it is 41 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 46 vehicles a day, projected to reach 50 by 2003. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTroy Lane
CrossesLittle Tensas Bayou
Location0.3 Miles N of Lee Road
RouteCounty Highway 0
Coordinates31.78492, -91.45017
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (1983)
Projected traffic50 by 2003
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 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 Troy Lane over Little Tensas Bayou built?

It was built in 1984, making it 41 years old in 2025.

What condition is Troy Lane over Little Tensas Bayou 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 April 2024.

How much traffic does Troy Lane over Little Tensas Bayou carry?

About 46 vehicles per day (1983 count).

How long is Troy Lane over Little Tensas Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Troy Lane over Little Tensas Bayou?

It is owned by the County Highway Agency.