US Bridges

LA0037 over Glass Branch

PoorPosted for load

St. Helena Parish, Louisiana · 1.6 M SW of LA 10 · Structure no. 624602540512681

Built
1958
67 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete
Length
59 ft
3 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 1958, so it is 67 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,781 vehicles a day, roughly 12% of them trucks, projected to reach 1,959 by 2041. The structure is 59 ft (18 m) long and 29 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesLA0037
CrossesGlass Branch
Location1.6 M SW of LA 10
RouteState Highway 37
Coordinates30.80868, -90.6824
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length59 ft (18 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 closed16.2 mi (26 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 LA0037 over Glass Branch built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA0037 over Glass Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 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 59 ft (18 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.