US Bridges

LA1231-2 over Creek

Fair

Winn Parish, Louisiana · 1.82 MI E JCT US 167 · Structure no. 086408640301821

Built
2002
23 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
116
2021 count
Owner
State
State Highway Agency

About this bridge

LA1231-2 over Creek is a concrete culvert carrying LA1231-2 over Creek in Winn Parish, Louisiana. It was built in 2002, so it is 23 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 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 116 vehicles a day, roughly 14% of them trucks, projected to reach 127 by 2041. The structure is 36 ft (11 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA1231-2
CrossesCreek
Location1.82 MI E JCT US 167
RouteState Highway 1231
Coordinates31.95301, -92.6351
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width50 ft (15.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2021)
Projected traffic127 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA1231-2 over Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is LA1231-2 over 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 LA1231-2 over Creek carry?

About 116 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA1231-2 over Creek?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m) and a deck 50 ft wide.

Who owns LA1231-2 over Creek?

It is owned by the State Highway Agency.