US Bridges

FM 66 over Chambers Creek

Fair

Hill County, Texas · 1.4 MI E of IH 35W · Structure no. 091100059601003

Built
1940
85 years old, rebuilt 2008
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
2,383
2023 count
Owner
State
State Highway Agency

About this bridge

FM 66 over Chambers Creek is a concrete culvert carrying FM 66 over Chambers Creek in Hill County, Texas. It was built in 1940 and reconstructed in 2008, so it is 85 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,383 vehicles a day, roughly 8% of them trucks, projected to reach 2,846 by 2039. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 66
CrossesChambers Creek
Location1.4 MI E of IH 35W
RouteState Highway 66
CountyHill County
StateTexas
Coordinates32.17978, -97.11086
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,383 (2023)
Projected traffic2,846 by 2039
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 66 over Chambers Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2008.

What condition is FM 66 over Chambers Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does FM 66 over Chambers Creek carry?

About 2,383 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FM 66 over Chambers Creek?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m).

Who owns FM 66 over Chambers Creek?

It is owned by the State Highway Agency.