US Bridges

SH 350 over Coahoma Draw

Good

Howard County, Texas · 2.7 MI NE of FM 700 · Structure no. 081150069301016

Built
1958
67 years old, rebuilt 2021
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
4 main spans
Daily traffic
2,925
2020 count
Owner
State
State Highway Agency

About this bridge

SH 350 over Coahoma Draw is a concrete culvert carrying SH 350 over Coahoma Draw in Howard County, Texas. It was built in 1958 and reconstructed in 2021, so it is 67 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 2,925 vehicles a day, roughly 23% of them trucks, projected to reach 4,720 by 2033. The structure is 22 ft (6.7 m) long and 51 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesSH 350
CrossesCoahoma Draw
Location2.7 MI NE of FM 700
RouteState Highway 350
CountyHoward County
StateTexas
Coordinates32.35326, -101.40307
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to 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 spans4
Design loadOther
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width51 ft (15.6 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,925 (2020)
Projected traffic4,720 by 2033
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 SH 350 over Coahoma Draw built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2021.

What condition is SH 350 over Coahoma Draw 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 June 2023.

How much traffic does SH 350 over Coahoma Draw carry?

About 2,925 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is SH 350 over Coahoma Draw?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m) and a deck 51 ft wide.

Who owns SH 350 over Coahoma Draw?

It is owned by the State Highway Agency.