US Bridges

FM 638 over Pin Oak Creek

Good

Navarro County, Texas · 0.25 MI N of Limestone Cl · Structure no. 181750099601006

Built
1996
29 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
160 ft
1 main span
Daily traffic
208
2019 count
Owner
State
State Highway Agency

About this bridge

FM 638 over Pin Oak Creek is a prestressed concrete box beam or girders - multiple carrying FM 638 over Pin Oak Creek in Navarro 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 208 vehicles a day, roughly 22% of them trucks, projected to reach 280 by 2033. The structure is 160 ft (48.8 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFM 638
CrossesPin Oak Creek
Location0.25 MI N of Limestone Cl
RouteState Highway 638
StateTexas
Coordinates31.8059, -96.5742
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2019)
Projected traffic280 by 2033
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 638 over Pin Oak Creek built?

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

What condition is FM 638 over Pin Oak 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 December 2023.

How much traffic does FM 638 over Pin Oak Creek carry?

About 208 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is FM 638 over Pin Oak Creek?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns FM 638 over Pin Oak Creek?

It is owned by the State Highway Agency.