US Bridges

FM 102 over Allen Branch

Good

Colorado County, Texas · 4.60 MI SE of IH 10 · Structure no. 130450002702254

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,996
2021 count
Owner
State
State Highway Agency

About this bridge

FM 102 over Allen Branch is a concrete culvert carrying FM 102 over Allen Branch in Colorado County, Texas. It was built in 1990, so it is 35 years old, younger 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 1,996 vehicles a day, roughly 15% of them trucks, projected to reach 2,595 by 2041. The structure is 43 ft (13.1 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 102
CrossesAllen Branch
Location4.60 MI SE of IH 10
RouteState Highway 102
StateTexas
Coordinates29.67206, -96.42614
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,996 (2021)
Projected traffic2,595 by 2041
Trucks15%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 102 over Allen Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is FM 102 over Allen Branch 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 March 2023.

How much traffic does FM 102 over Allen Branch carry?

About 1,996 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is FM 102 over Allen Branch?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns FM 102 over Allen Branch?

It is owned by the State Highway Agency.