US Bridges

Timberhill DR over Draw

Fair

Bexar County, Texas · 1.05 MI NW of FM 471 · Structure no. 150150B34250001

Built
1971
54 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
5,057
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Timberhill DR over Draw is a concrete culvert carrying Timberhill DR over Draw in Bexar County, Texas. It was built in 1971, so it is 54 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 5,057 vehicles a day, projected to reach 7,028 by 2042. The structure is 32 ft (9.8 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTimberhill DR
CrossesDraw
Location1.05 MI NW of FM 471
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.49663, -98.63231
Functional classUrban 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width51 ft (15.5 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,057 (2020)
Projected traffic7,028 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Timberhill DR over Draw built?

It was built in 1971, making it 54 years old in 2025.

What condition is Timberhill DR over Draw 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 June 2023.

How much traffic does Timberhill DR over Draw carry?

About 5,057 vehicles per day (2020 count).

How long is Timberhill DR over Draw?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 51 ft wide.

Who owns Timberhill DR over Draw?

It is owned by the City or Municipal Highway Agency.