US Bridges

LA1200 over Hemphill Creek

Fair

Rapides Parish, Louisiana · 3.43 Mi. S of LA121 · Structure no. 084008401103431

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
221 ft
11 main spans
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

LA1200 over Hemphill Creek is a concrete slab carrying LA1200 over Hemphill Creek in Rapides Parish, Louisiana. It was built in 1966, so it is 59 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 1,400 vehicles a day, roughly 14% of them trucks, projected to reach 1,540 by 2041. The structure is 221 ft (67.4 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA1200
CrossesHemphill Creek
Location3.43 Mi. S of LA121
RouteState Highway 1200
Coordinates31.29711, -92.7357
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic1,540 by 2041
Trucks14%
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 LA1200 over Hemphill Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA1200 over Hemphill 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 October 2024.

How much traffic does LA1200 over Hemphill Creek carry?

About 1,400 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA1200 over Hemphill Creek?

The structure is 221 ft (67.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA1200 over Hemphill Creek?

It is owned by the State Highway Agency.