US Bridges

SH 77 over Carlow Creek

Good

Cass County, Texas · 1.40 MI W of SH 8 · Structure no. 190340027702008

Built
1941
84 years old, rebuilt 1993
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
1,618
2022 count
Owner
State
State Highway Agency

About this bridge

SH 77 over Carlow Creek is a concrete culvert carrying SH 77 over Carlow Creek in Cass County, Texas. It was built in 1941 and reconstructed in 1993, so it is 84 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 1,618 vehicles a day, roughly 15% of them trucks, projected to reach 2,110 by 2033. The structure is 44 ft (13.4 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSH 77
CrossesCarlow Creek
Location1.40 MI W of SH 8
RouteState Highway 77
CountyCass County
StateTexas
Coordinates33.18814, -94.37693
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length44 ft (13.4 m)
Longest span9 ft (2.7 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,618 (2022)
Projected traffic2,110 by 2033
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 77 over Carlow Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1993.

What condition is SH 77 over Carlow 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 August 2024.

How much traffic does SH 77 over Carlow Creek carry?

About 1,618 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is SH 77 over Carlow Creek?

The structure is 44 ft (13.4 m) long with a longest span of 9 ft (2.7 m) and a deck 46 ft wide.

Who owns SH 77 over Carlow Creek?

It is owned by the State Highway Agency.