US Bridges

FM 660 over Four Mile Creek

Fair

Ellis County, Texas · 2.3 MI N of SH 34 · Structure no. 180710104802017

Built
1954
71 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
90 ft
3 main spans
Daily traffic
985
2022 count
Owner
State
State Highway Agency

About this bridge

FM 660 over Four Mile Creek is a concrete stringer/multi-beam or girder carrying FM 660 over Four Mile Creek in Ellis County, Texas. It was built in 1954, so it is 71 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 985 vehicles a day, roughly 5% of them trucks, projected to reach 1,497 by 2042. The structure is 90 ft (27.4 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 660
CrossesFour Mile Creek
Location2.3 MI N of SH 34
RouteState Highway 660
StateTexas
Coordinates32.38763, -96.58986
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic985 (2022)
Projected traffic1,497 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 660 over Four Mile Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is FM 660 over Four Mile 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 February 2024.

How much traffic does FM 660 over Four Mile Creek carry?

About 985 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FM 660 over Four Mile Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns FM 660 over Four Mile Creek?

It is owned by the State Highway Agency.