US Bridges

FM 645 over Keechie Creek

Good

Anderson County, Texas · 7.3 MI S of FM 321 · Structure no. 100010170701007

Built
1993
32 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
182 ft
6 main spans
Daily traffic
2,683
2020 count
Owner
State
State Highway Agency

About this bridge

FM 645 over Keechie Creek is a concrete stringer/multi-beam or girder carrying FM 645 over Keechie Creek in Anderson County, Texas. It was built in 1993, so it is 32 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 2,683 vehicles a day, roughly 12% of them trucks, projected to reach 3,710 by 2033. The structure is 182 ft (55.5 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFM 645
CrossesKeechie Creek
Location7.3 MI S of FM 321
RouteState Highway 645
CountyAnderson County
StateTexas
Coordinates31.75219, -95.78503
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,683 (2020)
Projected traffic3,710 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 645 over Keechie Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is FM 645 over Keechie 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 2022.

How much traffic does FM 645 over Keechie Creek carry?

About 2,683 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FM 645 over Keechie Creek?

The structure is 182 ft (55.5 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns FM 645 over Keechie Creek?

It is owned by the State Highway Agency.