US Bridges

FM 155 over IH 10

Good

Colorado County, Texas · 7.7 MI E of US 77 · Structure no. 130450053508184

Built
1967
58 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
4 main spans
Daily traffic
5,035
2021 count
Owner
State
State Highway Agency

About this bridge

FM 155 over IH 10 is a prestressed concrete stringer/multi-beam or girder carrying FM 155 over IH 10 in Colorado County, Texas. It was built in 1967, so it is 58 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 5,035 vehicles a day, roughly 5% of them trucks, projected to reach 7,250 by 2041. The structure is 270 ft (82.3 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 155
CrossesIH 10
Location7.7 MI E of US 77
RouteState Highway 155
StateTexas
Coordinates29.69174, -96.77609
Functional classRural Major 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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length270 ft (82.3 m)
Longest span70 ft (21.3 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,035 (2021)
Projected traffic7,250 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 155 over IH 10 built?

It was built in 1967, making it 58 years old in 2025.

What condition is FM 155 over IH 10 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 155 over IH 10 carry?

About 5,035 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FM 155 over IH 10?

The structure is 270 ft (82.3 m) long with a longest span of 70 ft (21.3 m) and a deck 37 ft wide.

Who owns FM 155 over IH 10?

It is owned by the State Highway Agency.