US Bridges

SH 124 over Big Elm Bayou

Fair

Chambers County, Texas · 0.2 MI S of FM 1985 · Structure no. 200360036701021

Built
1960
65 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
2,398
2022 count
Owner
State
State Highway Agency

About this bridge

SH 124 over Big Elm Bayou is a concrete stringer/multi-beam or girder carrying SH 124 over Big Elm Bayou in Chambers County, Texas. It was built in 1960, so it is 65 years old, older than the Texas average of 44.4 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 2,398 vehicles a day, roughly 8% of them trucks, projected to reach 2,650 by 2033. The structure is 91 ft (27.7 m) long and 46 ft wide. If it were closed, the detour would be 78.3 mi (126 km).

CarriesSH 124
CrossesBig Elm Bayou
Location0.2 MI S of FM 1985
RouteState Highway 124
StateTexas
Coordinates29.67197, -94.37363
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,398 (2022)
Projected traffic2,650 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.3 mi (126 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 124 over Big Elm Bayou built?

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

What condition is SH 124 over Big Elm Bayou 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 May 2024.

How much traffic does SH 124 over Big Elm Bayou carry?

About 2,398 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SH 124 over Big Elm Bayou?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns SH 124 over Big Elm Bayou?

It is owned by the State Highway Agency.