US Bridges

FM 1145 over Nichols Creek

Good

Karnes County, Texas · 0.2 MI E of US 181 · Structure no. 161290129501002

Built
1978
47 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
3,487
2022 count
Owner
State
State Highway Agency

About this bridge

FM 1145 over Nichols Creek is a prestressed concrete box beam or girders - multiple carrying FM 1145 over Nichols Creek in Karnes County, Texas. It was built in 1978, so it is 47 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,487 vehicles a day, roughly 25% of them trucks, projected to reach 4,882 by 2042. The structure is 50 ft (15.2 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 1145
CrossesNichols Creek
Location0.2 MI E of US 181
RouteState Highway 1145
StateTexas
Coordinates28.80428, -97.85329
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,487 (2022)
Projected traffic4,882 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 1145 over Nichols Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is FM 1145 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 June 2024.

How much traffic does FM 1145 over Nichols Creek carry?

About 3,487 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is FM 1145 over Nichols Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns FM 1145 over Nichols Creek?

It is owned by the State Highway Agency.