US Bridges

Mines RD over San Lorenzo Creek

Fair

Webb County, Texas · 19.25 MI N of End FM 1472 · Structure no. 222400AA0350008

Built
2008
17 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete
Length
97 ft
8 main spans
Daily traffic
591
2023 count
Owner
County
County Highway Agency

About this bridge

Mines RD over San Lorenzo Creek is a concrete culvert carrying Mines RD over San Lorenzo Creek in Webb County, Texas. It was built in 2008, so it is 17 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 591 vehicles a day, projected to reach 250 by 2038. The structure is 97 ft (29.6 m) long and 26 ft wide. If it were closed, the detour would be 65.9 mi (106 km).

Location

Open in Google Maps
CarriesMines RD
CrossesSan Lorenzo Creek
Location19.25 MI N of End FM 1472
RouteCounty Highway 350
CountyWebb County
StateTexas
Coordinates28.10113, -99.98874
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic591 (2023)
Projected traffic250 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.9 mi (106 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mines RD over San Lorenzo Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mines RD over San Lorenzo 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 September 2022.

How much traffic does Mines RD over San Lorenzo Creek carry?

About 591 vehicles per day (2023 count).

How long is Mines RD over San Lorenzo Creek?

The structure is 97 ft (29.6 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Mines RD over San Lorenzo Creek?

It is owned by the County Highway Agency.