US Bridges

Somerset Rd. over Leon Creek

FairPosted for load

Bexar County, Texas · 0.05 MI NE of Cassin RD · Structure no. 150150B32065001

Built
1914
111 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
223 ft
4 main spans
Daily traffic
286
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Somerset Rd. over Leon Creek is a concrete arch - deck carrying Somerset Rd. over Leon Creek in Bexar County, Texas. It was built in 1914, so it is 111 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 286 vehicles a day, projected to reach 750 by 2038. The structure is 223 ft (68 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSomerset Rd.
CrossesLeon Creek
Location0.05 MI NE of Cassin RD
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.32884, -98.58485
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating12 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length223 ft (68 m)
Longest span59 ft (18 m)
Deck width21 ft (6.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic286 (2022)
Projected traffic750 by 2038
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$214,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Somerset Rd. over Leon Creek built?

It was built in 1914, making it 111 years old in 2025.

What condition is Somerset Rd. over Leon 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 July 2023.

How much traffic does Somerset Rd. over Leon Creek carry?

About 286 vehicles per day (2022 count).

How long is Somerset Rd. over Leon Creek?

The structure is 223 ft (68 m) long with a longest span of 59 ft (18 m) and a deck 21 ft wide.

Who owns Somerset Rd. over Leon Creek?

It is owned by the City or Municipal Highway Agency.