US Bridges

FM 3149 over Elm Creek

Fair

McLennan County, Texas · 0.90 MI SW of FM 2114 · Structure no. 091610323401005

Built
1972
53 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
817
2020 count
Owner
State
State Highway Agency

About this bridge

FM 3149 over Elm Creek is a concrete culvert carrying FM 3149 over Elm Creek in McLennan County, Texas. It was built in 1972, so it is 53 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 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 817 vehicles a day, roughly 9% of them trucks, projected to reach 1,620 by 2037. The structure is 33 ft (10.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM 3149
CrossesElm Creek
Location0.90 MI SW of FM 2114
RouteState Highway 3149
CountyMcLennan County
StateTexas
Coordinates31.74691, -97.06478
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width43 ft (13.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic817 (2020)
Projected traffic1,620 by 2037
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3149 over Elm Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is FM 3149 over Elm 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 January 2023.

How much traffic does FM 3149 over Elm Creek carry?

About 817 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is FM 3149 over Elm Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns FM 3149 over Elm Creek?

It is owned by the State Highway Agency.