US Bridges

FM 645 over Lake Creek

Good

Anderson County, Texas · 5.0 MI S of FM 321 · Structure no. 100010170701005

Built
1959
66 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
90 ft
3 main spans
Daily traffic
1,558
2020 count
Owner
State
State Highway Agency

About this bridge

FM 645 over Lake Creek is a concrete stringer/multi-beam or girder carrying FM 645 over Lake Creek in Anderson County, Texas. It was built in 1959, so it is 66 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 1,558 vehicles a day, roughly 11% of them trucks, projected to reach 2,230 by 2033. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFM 645
CrossesLake Creek
Location5.0 MI S of FM 321
RouteState Highway 645
CountyAnderson County
StateTexas
Coordinates31.77042, -95.81739
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; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,558 (2020)
Projected traffic2,230 by 2033
Trucks11%
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 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 645 over Lake Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM 645 over Lake 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 Lake Creek carry?

About 1,558 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FM 645 over Lake Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns FM 645 over Lake Creek?

It is owned by the State Highway Agency.