US Bridges

FM 2331 over Nolan River

Fair

Johnson County, Texas · 1.6 MI N of US 171 · Structure no. 021270241702001

Built
1959
66 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
62 ft
5 main spans
Daily traffic
3,836
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2331 over Nolan River is a concrete culvert carrying FM 2331 over Nolan River in Johnson County, Texas. It was built in 1959, so it is 66 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 3,836 vehicles a day, roughly 6% of them trucks, projected to reach 3,560 by 2033. The structure is 62 ft (18.9 m) long and 39 ft wide.

CarriesFM 2331
CrossesNolan River
Location1.6 MI N of US 171
RouteState Highway 2331
StateTexas
Coordinates32.47171, -97.52741
Functional classRural Major 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length62 ft (18.9 m)
Longest span8 ft (2.4 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,836 (2020)
Projected traffic3,560 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2331 over Nolan River built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM 2331 over Nolan River 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 2024.

How much traffic does FM 2331 over Nolan River carry?

About 3,836 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is FM 2331 over Nolan River?

The structure is 62 ft (18.9 m) long with a longest span of 8 ft (2.4 m) and a deck 39 ft wide.

Who owns FM 2331 over Nolan River?

It is owned by the State Highway Agency.