US Bridges

FM 1549 over Elm Creek

Good

Atascosa County, Texas · 6.20 MI NW of SH 97 · Structure no. 150070143101003

Built
1955
70 years old, rebuilt 1988
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
40 ft
1 main span
Daily traffic
302
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1549 over Elm Creek is a concrete stringer/multi-beam or girder carrying FM 1549 over Elm Creek in Atascosa County, Texas. It was built in 1955 and reconstructed in 1988, so it is 70 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 302 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2033. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 1549
CrossesElm Creek
Location6.20 MI NW of SH 97
RouteState Highway 1549
StateTexas
Coordinates28.92656, -98.77024
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic302 (2020)
Projected traffic400 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 FM 1549 over Elm Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1988.

What condition is FM 1549 over Elm Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does FM 1549 over Elm Creek carry?

About 302 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is FM 1549 over Elm Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns FM 1549 over Elm Creek?

It is owned by the State Highway Agency.