US Bridges

SP 146 over Kerr Creek

Good

Gonzales County, Texas · 1.40 MI E of US 183 Bus · Structure no. 130900044501022

Built
1972
53 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
2,115
2023 count
Owner
State
State Highway Agency

About this bridge

SP 146 over Kerr Creek is a concrete stringer/multi-beam or girder carrying SP 146 over Kerr Creek in Gonzales County, Texas. It was built in 1972, so it is 53 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 2,115 vehicles a day, roughly 14% of them trucks, projected to reach 2,961 by 2042. The structure is 120 ft (36.6 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSP 146
CrossesKerr Creek
Location1.40 MI E of US 183 Bus
RouteState Highway 146
StateTexas
Coordinates29.50819, -97.42988
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,115 (2023)
Projected traffic2,961 by 2042
Trucks14%
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 SP 146 over Kerr Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SP 146 over Kerr 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 December 2024.

How much traffic does SP 146 over Kerr Creek carry?

About 2,115 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SP 146 over Kerr Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns SP 146 over Kerr Creek?

It is owned by the State Highway Agency.