US Bridges

CR 120 E over Ayish Bayou

FairPosted for load

San Augustine County, Texas · 1.00 MI E of US 96 · Structure no. 112030AA0122001

Built
1995
30 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
58
2023 count
Owner
County
County Highway Agency

About this bridge

CR 120 E over Ayish Bayou is a steel stringer/multi-beam or girder carrying CR 120 E over Ayish Bayou in San Augustine County, Texas. It was built in 1995, so it is 30 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 58 vehicles a day, projected to reach 60 by 2035. The structure is 35 ft (10.7 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 120 E
CrossesAyish Bayou
Location1.00 MI E of US 96
RouteCounty Highway 120
StateTexas
Coordinates31.55653, -94.11483
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2023)
Projected traffic60 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 120 E over Ayish Bayou built?

It was built in 1995, making it 30 years old in 2025.

What condition is CR 120 E over Ayish Bayou 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 May 2023.

How much traffic does CR 120 E over Ayish Bayou carry?

About 58 vehicles per day (2023 count).

How long is CR 120 E over Ayish Bayou?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 14 ft wide.

Who owns CR 120 E over Ayish Bayou?

It is owned by the County Highway Agency.