US Bridges

Jackson-Keller over Olmos Creek

Fair

Bexar County, Texas · 0.3 MI SE of JCT Lp 410 · Structure no. 150150B17460012

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
14,162
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jackson-Keller over Olmos Creek is a concrete stringer/multi-beam or girder carrying Jackson-Keller over Olmos Creek in Bexar County, Texas. It was built in 1986, so it is 39 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 5 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 14,162 vehicles a day, roughly 1% of them trucks, projected to reach 20,000 by 2031. The structure is 120 ft (36.6 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesJackson-Keller
CrossesOlmos Creek
Location0.3 MI SE of JCT Lp 410
RouteCity Street 8013
CountyBexar County
StateTexas
Coordinates29.5136, -98.52382
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,162 (2020)
Projected traffic20,000 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 Jackson-Keller over Olmos Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Jackson-Keller over Olmos 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 Jackson-Keller over Olmos Creek carry?

About 14,162 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Jackson-Keller over Olmos Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 56 ft wide.

Who owns Jackson-Keller over Olmos Creek?

It is owned by the City or Municipal Highway Agency.