US Bridges

CR 2312 over Cobb Creek

Good

Hill County, Texas · 1.80 MI SE of FM 310 · Structure no. 091100AA0883001

Built
2003
22 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
56
2015 count
Owner
County
County Highway Agency

About this bridge

CR 2312 over Cobb Creek is a steel stringer/multi-beam or girder carrying CR 2312 over Cobb Creek in Hill County, Texas. It was built in 2003, so it is 22 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 56 vehicles a day, projected to reach 110 by 2029. The structure is 56 ft (17.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 2312
CrossesCobb Creek
Location1.80 MI SE of FM 310
RouteCounty Highway 2312
StateTexas
Coordinates31.89234, -97.16518
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2015)
Projected traffic110 by 2029
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$226,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 2312 over Cobb Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR 2312 over Cobb 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 December 2023.

How much traffic does CR 2312 over Cobb Creek carry?

About 56 vehicles per day (2015 count).

How long is CR 2312 over Cobb Creek?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 20 ft wide.

Who owns CR 2312 over Cobb Creek?

It is owned by the County Highway Agency.