US Bridges

CR 3102 over Cobb Creek

PoorPosted for load

Hill County, Texas · 3.10 MI NW of FM 1242 · Structure no. 091100AA0893006

Built
1935
90 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
108 ft
6 main spans
Daily traffic
21
2020 count
Owner
County
County Highway Agency

About this bridge

CR 3102 over Cobb Creek is a concrete slab carrying CR 3102 over Cobb Creek in Hill County, Texas. It was built in 1935, so it is 90 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 21 vehicles a day, projected to reach 90 by 2031. The structure is 108 ft (32.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 3102
CrossesCobb Creek
Location3.10 MI NW of FM 1242
RouteCounty Highway 3102
CountyHill County
StateTexas
Coordinates31.92745, -97.09099
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length108 ft (32.9 m)
Longest span18 ft (5.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2020)
Projected traffic90 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 statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$523,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 3102 over Cobb Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is CR 3102 over Cobb Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does CR 3102 over Cobb Creek carry?

About 21 vehicles per day (2020 count).

How long is CR 3102 over Cobb Creek?

The structure is 108 ft (32.9 m) long with a longest span of 18 ft (5.5 m) and a deck 27 ft wide.

Who owns CR 3102 over Cobb Creek?

It is owned by the County Highway Agency.