US Bridges

FM 660 over Bolivar Branch

Fair

Ellis County, Texas · 1.7 MI S of FM 813 · Structure no. 180710104802018

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
472
2023 count
Owner
State
State Highway Agency

About this bridge

FM 660 over Bolivar Branch is a concrete stringer/multi-beam or girder carrying FM 660 over Bolivar Branch 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 472 vehicles a day, roughly 7% of them trucks, projected to reach 692 by 2042. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 660
CrossesBolivar Branch
Location1.7 MI S of FM 813
RouteState Highway 660
StateTexas
Coordinates32.42199, -96.59052
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 alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 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 width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2023)
Projected traffic692 by 2042
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 660 over Bolivar Branch built?

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

What condition is FM 660 over Bolivar Branch 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 Bolivar Branch carry?

About 472 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 660 over Bolivar Branch?

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 660 over Bolivar Branch?

It is owned by the State Highway Agency.