US Bridges

LA1207 over Slash Branch

Fair

Rapides Parish, Louisiana · 1.2 Mi. West of LA 115 · Structure no. 084003670101201

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
5,494
2021 count
Owner
State
State Highway Agency

About this bridge

LA1207 over Slash Branch is a concrete slab carrying LA1207 over Slash Branch in Rapides Parish, Louisiana. It was built in 1980, so it is 45 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 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 5,494 vehicles a day, roughly 14% of them trucks, projected to reach 6,043 by 2041. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA1207
CrossesSlash Branch
Location1.2 Mi. West of LA 115
RouteState Highway 1207
Coordinates31.36419, -92.1829
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,494 (2021)
Projected traffic6,043 by 2041
Trucks14%
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

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 LA1207 over Slash Branch built?

It was built in 1980, making it 45 years old in 2025.

What condition is LA1207 over Slash 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 December 2024.

How much traffic does LA1207 over Slash Branch carry?

About 5,494 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA1207 over Slash Branch?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns LA1207 over Slash Branch?

It is owned by the State Highway Agency.