US Bridges

Business US 181 over Nichols Creek

Good

Karnes County, Texas · 0.4 MI NE of FM 2509 · Structure no. 161290010011082

Built
1963
62 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
2,520
2013 count
Owner
State
State Highway Agency

About this bridge

Business US 181 over Nichols Creek is a concrete culvert carrying Business US 181 over Nichols Creek in Karnes County, Texas. It was built in 1963, so it is 62 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,520 vehicles a day, roughly 19% of them trucks, projected to reach 3,530 by 2033. The structure is 54 ft (16.5 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBusiness US 181
CrossesNichols Creek
Location0.4 MI NE of FM 2509
RouteState Highway 181
StateTexas
Coordinates28.79232, -97.85035
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 geometry7: Better than present minimum 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 spans5
Design loadUnknown
Structure length54 ft (16.5 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 traffic2,520 (2013)
Projected traffic3,530 by 2033
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Business US 181 over Nichols Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Business US 181 over Nichols Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

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

About 2,520 vehicles per day (2013 count), of which roughly 19% are trucks.

How long is Business US 181 over Nichols Creek?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns Business US 181 over Nichols Creek?

It is owned by the State Highway Agency.