US Bridges

FM 15 over Wright Branch

Good

Smith County, Texas · 0.6 MI S of SH 64 · Structure no. 102120049101004

Built
1934
91 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
465
2020 count
Owner
State
State Highway Agency

About this bridge

FM 15 over Wright Branch is a concrete culvert carrying FM 15 over Wright Branch in Smith County, Texas. It was built in 1934, so it is 91 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 465 vehicles a day, roughly 11% of them trucks, projected to reach 580 by 2033. The structure is 23 ft (7 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM 15
CrossesWright Branch
Location0.6 MI S of SH 64
RouteState Highway 15
CountySmith County
StateTexas
Coordinates32.19474, -94.99764
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum 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 spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width29 ft (8.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic465 (2020)
Projected traffic580 by 2033
Trucks11%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 15 over Wright Branch built?

It was built in 1934, making it 91 years old in 2025.

What condition is FM 15 over Wright 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 15 over Wright Branch carry?

About 465 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FM 15 over Wright Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns FM 15 over Wright Branch?

It is owned by the State Highway Agency.