US Bridges

FM 3148 over Chambers Creek

Good

McLennan County, Texas · 2.6 MI NE of IH 35 · Structure no. 091610323301002

Built
1973
52 years old, rebuilt 2006
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
3,077
2020 count
Owner
State
State Highway Agency

About this bridge

FM 3148 over Chambers Creek is a concrete stringer/multi-beam or girder carrying FM 3148 over Chambers Creek in McLennan County, Texas. It was built in 1973 and reconstructed in 2006, so it is 52 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 3,077 vehicles a day, roughly 7% of them trucks, projected to reach 4,420 by 2033. The structure is 91 ft (27.7 m) long and 46 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesFM 3148
CrossesChambers Creek
Location2.6 MI NE of IH 35
RouteState Highway 3148
CountyMcLennan County
StateTexas
Coordinates31.43766, -97.15623
Functional classUrban Minor Arterial

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,077 (2020)
Projected traffic4,420 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$600,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3148 over Chambers Creek built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2006.

What condition is FM 3148 over Chambers 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 February 2023.

How much traffic does FM 3148 over Chambers Creek carry?

About 3,077 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 3148 over Chambers Creek?

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 FM 3148 over Chambers Creek?

It is owned by the State Highway Agency.