US Bridges

CR 2231 (old SH15A over Key CR

Fair

Wood County, Texas · 0.15 MI E of FM 1799 · Structure no. 102500AA2231101

Built
1922
103 years old, rebuilt 1941
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
32 ft
2 main spans
Daily traffic
685
2020 count
Owner
County
County Highway Agency

About this bridge

CR 2231 (old SH15A over Key CR is a concrete slab carrying CR 2231 (old SH15A over Key CR in Wood County, Texas. It was built in 1922 and reconstructed in 1941, so it is 103 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 685 vehicles a day, roughly 5% of them trucks, projected to reach 440 by 2029. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 2231 (old SH15A
CrossesKey CR
Location0.15 MI E of FM 1799
RouteCounty Highway 2231
StateTexas
Coordinates32.68084, -95.55293
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating46 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic685 (2020)
Projected traffic440 by 2029
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$48,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 2231 (old SH15A over Key CR built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1941.

What condition is CR 2231 (old SH15A over Key CR 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 October 2023.

How much traffic does CR 2231 (old SH15A over Key CR carry?

About 685 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is CR 2231 (old SH15A over Key CR?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.

Who owns CR 2231 (old SH15A over Key CR?

It is owned by the County Highway Agency.