US Bridges

LA0037 over Glass Branch

Fair

St. Helena Parish, Louisiana · 2.1 M SW of LA 10 · Structure no. 624602540512041

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
78 ft
4 main spans
Daily traffic
1,781
2021 count
Owner
State
State Highway Agency

About this bridge

LA0037 over Glass Branch is a concrete slab carrying LA0037 over Glass Branch in St. Helena Parish, Louisiana. It was built in 1960, so it is 65 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 1,781 vehicles a day, roughly 12% of them trucks, projected to reach 1,959 by 2041. The structure is 78 ft (23.8 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesLA0037
CrossesGlass Branch
Location2.1 M SW of LA 10
RouteState Highway 37
CountySt. Helena Parish
StateLouisiana
Coordinates30.80203, -90.6896
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,781 (2021)
Projected traffic1,959 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 LA0037 over Glass Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is LA0037 over Glass 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 October 2024.

How much traffic does LA0037 over Glass Branch carry?

About 1,781 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0037 over Glass Branch?

The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns LA0037 over Glass Branch?

It is owned by the State Highway Agency.