US Bridges

CR 3110 N over Cobb Creek

FairPosted for load

Hill County, Texas · 2.80 MI NW of FM 1242 · Structure no. 091100AA0229007

Built
1945
80 years old, rebuilt 2001
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
4 main spans
Daily traffic
98
2020 count
Owner
County
County Highway Agency

About this bridge

CR 3110 N over Cobb Creek is a steel stringer/multi-beam or girder carrying CR 3110 N over Cobb Creek in Hill County, Texas. It was built in 1945 and reconstructed in 2001, so it is 80 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 98 vehicles a day, projected to reach 50 by 2031. The structure is 68 ft (20.7 m) long and 19 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCR 3110 N
CrossesCobb Creek
Location2.80 MI NW of FM 1242
RouteCounty Highway 3110
CountyHill County
StateTexas
Coordinates31.93673, -97.06319
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18 US tons
Inventory rating10 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span17 ft (5.2 m)
Deck width19 ft (5.7 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2020)
Projected traffic50 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 3110 N over Cobb Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 2001.

What condition is CR 3110 N over Cobb Creek 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 January 2024.

How much traffic does CR 3110 N over Cobb Creek carry?

About 98 vehicles per day (2020 count).

How long is CR 3110 N over Cobb Creek?

The structure is 68 ft (20.7 m) long with a longest span of 17 ft (5.2 m) and a deck 19 ft wide.

Who owns CR 3110 N over Cobb Creek?

It is owned by the County Highway Agency.