US Bridges

FM 1660 over Draw

Good

Williamson County, Texas · 2.6 MI W of FM 973 · Structure no. 142460156602009

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,325
2021 count
Owner
State
State Highway Agency

About this bridge

FM 1660 over Draw is a concrete culvert carrying FM 1660 over Draw in Williamson County, Texas. It was built in 2019, so it is 6 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 2,325 vehicles a day, roughly 7% of them trucks, projected to reach 3,255 by 2041. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 1660
CrossesDraw
Location2.6 MI W of FM 973
RouteState Highway 1660
StateTexas
Coordinates30.49551, -97.49941
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadHL 93
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,325 (2021)
Projected traffic3,255 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1660 over Draw built?

It was built in 2019, making it 6 years old in 2025.

What condition is FM 1660 over Draw 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 March 2023.

How much traffic does FM 1660 over Draw carry?

About 2,325 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FM 1660 over Draw?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns FM 1660 over Draw?

It is owned by the State Highway Agency.