US Bridges

FM 166 over Old River

Good

Burleson County, Texas · 1.3 MI E of FM 2039 · Structure no. 170260095501005

Built
1984
41 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
397
2023 count
Owner
State
State Highway Agency

About this bridge

FM 166 over Old River is a concrete stringer/multi-beam or girder carrying FM 166 over Old River in Burleson County, Texas. It was built in 1984, so it is 41 years old, younger 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 397 vehicles a day, roughly 8% of them trucks, projected to reach 556 by 2042. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFM 166
CrossesOld River
Location1.3 MI E of FM 2039
RouteState Highway 166
StateTexas
Coordinates30.54508, -96.50123
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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic397 (2023)
Projected traffic556 by 2042
Trucks8%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 166 over Old River built?

It was built in 1984, making it 41 years old in 2025.

What condition is FM 166 over Old River 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 August 2024.

How much traffic does FM 166 over Old River carry?

About 397 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FM 166 over Old River?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns FM 166 over Old River?

It is owned by the State Highway Agency.