US Bridges

FM 4 over Nolan River Tributary

Good

Johnson County, Texas · 0.9 MI W of US 67 · Structure no. 021270151302005

Built
1935
90 years old, rebuilt 1970
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
2,743
2023 count
Owner
State
State Highway Agency

About this bridge

FM 4 over Nolan River Tributary is a concrete culvert carrying FM 4 over Nolan River Tributary in Johnson County, Texas. It was built in 1935 and reconstructed in 1970, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,743 vehicles a day, roughly 6% of them trucks, projected to reach 1,780 by 2033. The structure is 33 ft (10 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 4
CrossesNolan River Tributary
Location0.9 MI W of US 67
RouteState Highway 4
StateTexas
Coordinates32.37307, -97.45492
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length33 ft (10 m)
Longest span10 ft (3 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,743 (2023)
Projected traffic1,780 by 2033
Trucks6%
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

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 4 over Nolan River Tributary built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1970.

What condition is FM 4 over Nolan River Tributary in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does FM 4 over Nolan River Tributary carry?

About 2,743 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FM 4 over Nolan River Tributary?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.

Who owns FM 4 over Nolan River Tributary?

It is owned by the State Highway Agency.