US Bridges

LA0174 over Daw Branch

Fair

Sabine Parish, Louisiana · 2.82 Mi. West of LA 175 · Structure no. 084301120308611

Built
1983
42 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
1,099
2021 count
Owner
State
State Highway Agency

About this bridge

LA0174 over Daw Branch is a concrete slab carrying LA0174 over Daw Branch in Sabine Parish, Louisiana. It was built in 1983, so it is 42 years old, younger 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 6 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 1,099 vehicles a day, roughly 14% of them trucks, projected to reach 1,208 by 2041. The structure is 140 ft (42.7 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesLA0174
CrossesDaw Branch
Location2.82 Mi. West of LA 175
RouteState Highway 174
Coordinates31.81359, -93.5591
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,099 (2021)
Projected traffic1,208 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0174 over Daw Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is LA0174 over Daw Branch 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 August 2024.

How much traffic does LA0174 over Daw Branch carry?

About 1,099 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0174 over Daw Branch?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0174 over Daw Branch?

It is owned by the State Highway Agency.