US Bridges

FM 670 over Wild Horse Creek

Good

Mitchell County, Texas · 6.0 MI S of IH 20 · Structure no. 081680051802003

Built
1955
70 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
100
2020 count
Owner
State
State Highway Agency

About this bridge

FM 670 over Wild Horse Creek is a concrete culvert carrying FM 670 over Wild Horse Creek in Mitchell County, Texas. It was built in 1955, so it is 70 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 100 vehicles a day, roughly 23% of them trucks, projected to reach 240 by 2033. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFM 670
CrossesWild Horse Creek
Location6.0 MI S of IH 20
RouteState Highway 670
StateTexas
Coordinates32.26653, -100.99916
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 adequacy7: Better than 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 spans3
Design loadOther
Structure length23 ft (7 m)
Longest span6 ft (1.8 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic240 by 2033
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 670 over Wild Horse Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM 670 over Wild Horse 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 May 2023.

How much traffic does FM 670 over Wild Horse Creek carry?

About 100 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is FM 670 over Wild Horse Creek?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.8 m) and a deck 27 ft wide.

Who owns FM 670 over Wild Horse Creek?

It is owned by the State Highway Agency.