US Bridges

Fdr 155 over School House Creek

Fair

Grant Parish, Louisiana · Logmi 5.27 FR 518 to · Structure no. 080601000002164

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
37 ft
2 main spans
Daily traffic
15
1976 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 155 over School House Creek is a concrete channel beam carrying Fdr 155 over School House Creek in Grant Parish, Louisiana. It was built in 1965, so it is 60 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 37 ft (11.3 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesFdr 155
CrossesSchool House Creek
LocationLogmi 5.27 FR 518 to
RouteFederal Lands Road 155.5
CountyGrant Parish
StateLouisiana
Coordinates31.72293, -92.61775
Functional classRural Local

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating15.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span18 ft (5.6 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1976)
Projected traffic22 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 155 over School House Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Fdr 155 over School House 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 2024.

How much traffic does Fdr 155 over School House Creek carry?

About 15 vehicles per day (1976 count).

How long is Fdr 155 over School House Creek?

The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.6 m) and a deck 25 ft wide.

Who owns Fdr 155 over School House Creek?

It is owned by the U.S. Forest Service.