US Bridges

SH 6 over Cow Creek Relief

Fair

Comanche County, Texas · 1.25 MI W of Erath C/L · Structure no. 230470025705020

Built
1923
102 years old, rebuilt 1984
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
3,579
2020 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Cow Creek Relief is a concrete culvert carrying SH 6 over Cow Creek Relief in Comanche County, Texas. It was built in 1923 and reconstructed in 1984, so it is 102 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,579 vehicles a day, roughly 33% of them trucks, projected to reach 5,430 by 2033. The structure is 21 ft (6.4 m) long and 85 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSH 6
CrossesCow Creek Relief
Location1.25 MI W of Erath C/L
RouteState Highway 6
CountyComanche County
StateTexas
Coordinates32.09339, -98.44964
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum 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 spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width85 ft (26 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,579 (2020)
Projected traffic5,430 by 2033
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 6 over Cow Creek Relief built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1984.

What condition is SH 6 over Cow Creek Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does SH 6 over Cow Creek Relief carry?

About 3,579 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is SH 6 over Cow Creek Relief?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 85 ft wide.

Who owns SH 6 over Cow Creek Relief?

It is owned by the State Highway Agency.