US Bridges

IH 35 Nbml over Jamoncillos Creek

Fair

Webb County, Texas · 3.10 MI S of Lasalle C/L · Structure no. 222400001803048

Built
1958
67 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
187 ft
15 main spans
Daily traffic
10,282
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbml over Jamoncillos Creek is a concrete culvert carrying IH 35 Nbml over Jamoncillos Creek in Webb County, Texas. It was built in 1958, so it is 67 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 10,282 vehicles a day, roughly 21% of them trucks, projected to reach 13,780 by 2038. The structure is 187 ft (57 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 35 Nbml
CrossesJamoncillos Creek
Location3.10 MI S of Lasalle C/L
RouteInterstate 35
CountyWebb County
StateTexas
Coordinates27.98867, -99.37064
Functional classRural Principal Arterial - Interstate

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 inspectionDecember 2022
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans15
Design loadOther
Structure length187 ft (57 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,282 (2019)
Projected traffic13,780 by 2038
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 IH 35 Nbml over Jamoncillos Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is IH 35 Nbml over Jamoncillos 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 December 2022.

How much traffic does IH 35 Nbml over Jamoncillos Creek carry?

About 10,282 vehicles per day (2019 count), of which roughly 21% are trucks.

How long is IH 35 Nbml over Jamoncillos Creek?

The structure is 187 ft (57 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns IH 35 Nbml over Jamoncillos Creek?

It is owned by the State Highway Agency.