US Bridges

LA0135 over Big Creek

Fair

Richland Parish, Louisiana · 3.4 MI South of LA 622 · Structure no. 054201670200001

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
407 ft
9 main spans
Daily traffic
698
2021 count
Owner
State
State Highway Agency

About this bridge

LA0135 over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying LA0135 over Big Creek in Richland Parish, Louisiana. It was built in 1975, so it is 50 years old, older 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 698 vehicles a day, roughly 15% of them trucks, projected to reach 767 by 2041. The structure is 407 ft (124.1 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesLA0135
CrossesBig Creek
Location3.4 MI South of LA 622
RouteState Highway 135
CountyRichland Parish
StateLouisiana
Coordinates32.20486, -91.82
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length407 ft (124.1 m)
Longest span45 ft (13.7 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic698 (2021)
Projected traffic767 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 LA0135 over Big Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is LA0135 over Big 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 August 2023.

How much traffic does LA0135 over Big Creek carry?

About 698 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0135 over Big Creek?

The structure is 407 ft (124.1 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.

Who owns LA0135 over Big Creek?

It is owned by the State Highway Agency.