US Bridges

FM 636 over Willow Creek

Good

Navarro County, Texas · 1.80 MI E of FM 1129 · Structure no. 181750057402008

Built
1953
72 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
60 ft
2 main spans
Daily traffic
126
2019 count
Owner
State
State Highway Agency

About this bridge

FM 636 over Willow Creek is a concrete stringer/multi-beam or girder carrying FM 636 over Willow Creek in Navarro County, Texas. It was built in 1953, so it is 72 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 126 vehicles a day, roughly 45% of them trucks, projected to reach 210 by 2033. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM 636
CrossesWillow Creek
Location1.80 MI E of FM 1129
RouteState Highway 636
StateTexas
Coordinates32.22833, -96.34455
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2019)
Projected traffic210 by 2033
Trucks45%
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 636 over Willow Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is FM 636 over Willow Creek 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 January 2024.

How much traffic does FM 636 over Willow Creek carry?

About 126 vehicles per day (2019 count), of which roughly 45% are trucks.

How long is FM 636 over Willow Creek?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns FM 636 over Willow Creek?

It is owned by the State Highway Agency.