US Bridges

Callaghan RD over Rock Creek

Fair

Bexar County, Texas · 0.55 MI NE of IH 10 · Structure no. 150150B05210003

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
128 ft
10 main spans
Daily traffic
3,915
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Callaghan RD over Rock Creek is a concrete culvert carrying Callaghan RD over Rock Creek in Bexar County, Texas. It was built in 1981, so it is 44 years old, younger 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 3,915 vehicles a day, roughly 1% of them trucks, projected to reach 17,500 by 2031. The structure is 128 ft (39 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCallaghan RD
CrossesRock Creek
Location0.55 MI NE of IH 10
RouteCity Street 8148
CountyBexar County
StateTexas
Coordinates29.51747, -98.54632
Functional classUrban Minor Arterial

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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length128 ft (39 m)
Longest span10 ft (3 m)
Deck width59 ft (18.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,915 (2022)
Projected traffic17,500 by 2031
Trucks1%
Lanes on structure4
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Callaghan RD over Rock Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Callaghan RD over Rock 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 June 2023.

How much traffic does Callaghan RD over Rock Creek carry?

About 3,915 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Callaghan RD over Rock Creek?

The structure is 128 ft (39 m) long with a longest span of 10 ft (3 m) and a deck 59 ft wide.

Who owns Callaghan RD over Rock Creek?

It is owned by the City or Municipal Highway Agency.