US Bridges

SH 85 over Carrizo Creek

Good

Dimmit County, Texas · 0.4 MI SE of US 83 · Structure no. 220640030101001

Built
1926
99 years old, rebuilt 1975
Condition
Good
inspected December 2022
Type
Tee Beam
Concrete
Length
143 ft
5 main spans
Daily traffic
5,063
2020 count
Owner
State
State Highway Agency

About this bridge

SH 85 over Carrizo Creek is a concrete tee beam carrying SH 85 over Carrizo Creek in Dimmit County, Texas. It was built in 1926 and reconstructed in 1975, so it is 99 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 5,063 vehicles a day, roughly 14% of them trucks, projected to reach 12,950 by 2033. The structure is 143 ft (43.6 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 85
CrossesCarrizo Creek
Location0.4 MI SE of US 83
RouteState Highway 85
CountyDimmit County
StateTexas
Coordinates28.52084, -99.85026
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length143 ft (43.6 m)
Longest span29 ft (8.8 m)
Deck width60 ft (18.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,063 (2020)
Projected traffic12,950 by 2033
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SH 85 over Carrizo Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1975.

What condition is SH 85 over Carrizo 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 2022.

How much traffic does SH 85 over Carrizo Creek carry?

About 5,063 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SH 85 over Carrizo Creek?

The structure is 143 ft (43.6 m) long with a longest span of 29 ft (8.8 m) and a deck 60 ft wide.

Who owns SH 85 over Carrizo Creek?

It is owned by the State Highway Agency.