US Bridges

FM 4 over W Fork Nolan River Trib

Good

Johnson County, Texas · 6.0 MI W of US 67 · Structure no. 021270151302010

Built
1955
70 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
64 ft
6 main spans
Daily traffic
2,743
2023 count
Owner
State
State Highway Agency

About this bridge

FM 4 over W Fork Nolan River Trib is a concrete culvert carrying FM 4 over W Fork Nolan River Trib in Johnson County, Texas. It was built in 1955, so it is 70 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 1,700 by 2033. The structure is 64 ft (19.4 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 4
CrossesW Fork Nolan River Trib
Location6.0 MI W of US 67
RouteState Highway 4
StateTexas
Coordinates32.38503, -97.53129
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 protection7 GoodSome minor problems.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than 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 spans6
Design loadUnknown
Structure length64 ft (19.4 m)
Longest span14 ft (4.3 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,743 (2023)
Projected traffic1,700 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 W Fork Nolan River Trib built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM 4 over W Fork Nolan River Trib 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 W Fork Nolan River Trib carry?

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

How long is FM 4 over W Fork Nolan River Trib?

The structure is 64 ft (19.4 m) long with a longest span of 14 ft (4.3 m) and a deck 31 ft wide.

Who owns FM 4 over W Fork Nolan River Trib?

It is owned by the State Highway Agency.