US Bridges

Willowwood DR over Boulder Creek

Fair

Bexar County, Texas · 0.54 MI NE of Belgium LN · Structure no. 150150B37440001

Built
1963
62 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
409
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Willowwood DR over Boulder Creek is a concrete culvert carrying Willowwood DR over Boulder Creek in Bexar County, Texas. It was built in 1963, so it is 62 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 409 vehicles a day, projected to reach 619 by 2042. The structure is 43 ft (13.1 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesWillowwood DR
CrossesBoulder Creek
Location0.54 MI NE of Belgium LN
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.44258, -98.42888
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
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 spans4
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic409 (2020)
Projected traffic619 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Willowwood DR over Boulder Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Willowwood DR over Boulder 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 August 2023.

How much traffic does Willowwood DR over Boulder Creek carry?

About 409 vehicles per day (2020 count).

How long is Willowwood DR over Boulder Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns Willowwood DR over Boulder Creek?

It is owned by the City or Municipal Highway Agency.