US Bridges

CR 3102 over Cobb Creek

Good

Hill County, Texas · 1.50 MI SE of IH 35 · Structure no. 091100AA3102002

Built
2015
10 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
65
2011 count
Owner
County
County Highway Agency

About this bridge

CR 3102 over Cobb Creek is a prestressed concrete slab carrying CR 3102 over Cobb Creek in Hill County, Texas. It was built in 2015, so it is 10 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 65 vehicles a day, projected to reach 80 by 2031. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 3102
CrossesCobb Creek
Location1.50 MI SE of IH 35
RouteCounty Highway 3102
StateTexas
Coordinates31.95361, -97.10496
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2011)
Projected traffic80 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 3102 over Cobb Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is CR 3102 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 January 2024.

How much traffic does CR 3102 over Cobb Creek carry?

About 65 vehicles per day (2011 count).

How long is CR 3102 over Cobb Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns CR 3102 over Cobb Creek?

It is owned by the County Highway Agency.