US Bridges

FM 4 over Nolan River

Good

Johnson County, Texas · 2.2 MI W of US 67 · Structure no. 021270151302014

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
153 ft
6 main spans
Daily traffic
2,743
2023 count
Owner
State
State Highway Agency

About this bridge

FM 4 over Nolan River is a concrete continuous slab carrying FM 4 over Nolan River in Johnson County, Texas. It was built in 1996, so it is 29 years old, younger 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 153 ft (46.7 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 4
CrossesNolan River
Location2.2 MI W of US 67
RouteState Highway 4
StateTexas
Coordinates32.37668, -97.47168
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length153 ft (46.7 m)
Longest span25 ft (7.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 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 closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 4 over Nolan River built?

It was built in 1996, making it 29 years old in 2025.

What condition is FM 4 over Nolan River 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 carry?

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

How long is FM 4 over Nolan River?

The structure is 153 ft (46.7 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.

Who owns FM 4 over Nolan River?

It is owned by the State Highway Agency.