US Bridges

FM 66 over Branch of Itasca Creek

Fair

Hill County, Texas · 0.6 MI E of IH 35W · Structure no. 091100059601002

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

About this bridge

FM 66 over Branch of Itasca Creek is a concrete culvert carrying FM 66 over Branch of Itasca Creek in Hill County, Texas. It was built in 1940, 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 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFM 66
CrossesBranch of Itasca Creek
Location0.6 MI E of IH 35W
RouteState Highway 66
CountyHill County
StateTexas
Coordinates32.17341, -97.12358
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length39 ft (11.9 m)
Longest span7 ft (2.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 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$500,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 66 over Branch of Itasca Creek built?

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

What condition is FM 66 over Branch of Itasca 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 Branch of Itasca Creek carry?

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

How long is FM 66 over Branch of Itasca Creek?

The structure is 39 ft (11.9 m) long with a longest span of 7 ft (2.1 m) and a deck 33 ft wide.

Who owns FM 66 over Branch of Itasca Creek?

It is owned by the State Highway Agency.