US Bridges

US 181 Bus over Nichols Creek

Fair

Karnes County, Texas · 0.10 MI S of FM 2509 · Structure no. 161290010011078

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,379
2022 count
Owner
State
State Highway Agency

About this bridge

US 181 Bus over Nichols Creek is a concrete culvert carrying US 181 Bus over Nichols Creek in Karnes County, Texas. It was built in 1957, so it is 68 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 1,379 vehicles a day, roughly 12% of them trucks, projected to reach 1,931 by 2042. The structure is 43 ft (13.1 m) long and 45 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS 181 Bus
CrossesNichols Creek
Location0.10 MI S of FM 2509
RouteState Highway 181
StateTexas
Coordinates28.78636, -97.85287
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,379 (2022)
Projected traffic1,931 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

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 US 181 Bus over Nichols Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is US 181 Bus over Nichols 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 April 2024.

How much traffic does US 181 Bus over Nichols Creek carry?

About 1,379 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 181 Bus over Nichols Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns US 181 Bus over Nichols Creek?

It is owned by the State Highway Agency.