US Bridges

FM 3149 over Br White Rock Creek

Fair

McLennan County, Texas · 1.40 MI SE of FM 1858 · Structure no. 091610323401001

Built
1972
53 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
559
2020 count
Owner
State
State Highway Agency

About this bridge

FM 3149 over Br White Rock Creek is a concrete culvert carrying FM 3149 over Br White Rock 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 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 559 vehicles a day, roughly 12% of them trucks, projected to reach 950 by 2033. The structure is 21 ft (6.4 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 3149
CrossesBr White Rock Creek
Location1.40 MI SE of FM 1858
RouteState Highway 3149
CountyMcLennan County
StateTexas
Coordinates31.74325, -97.13915
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic559 (2020)
Projected traffic950 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Br White Rock Creek built?

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

What condition is FM 3149 over Br White Rock 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 Br White Rock Creek carry?

About 559 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FM 3149 over Br White Rock Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.

Who owns FM 3149 over Br White Rock Creek?

It is owned by the State Highway Agency.