US Bridges

Doty RD over Cow Bayou Tributary

Good

Orange County, Texas · 0.55 MI N of IH 10 · Structure no. 201810AA0590001

Built
1950
75 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
371
2016 count
Owner
County
County Highway Agency

About this bridge

Doty RD over Cow Bayou Tributary is a concrete culvert carrying Doty RD over Cow Bayou Tributary in Orange County, Texas. It was built in 1950, so it is 75 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 371 vehicles a day, roughly 3% of them trucks, projected to reach 520 by 2037. The structure is 22 ft (6.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDoty RD
CrossesCow Bayou Tributary
Location0.55 MI N of IH 10
RouteCounty Highway 0
StateTexas
Coordinates30.13787, -93.94722
Functional classRural Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than 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

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic371 (2016)
Projected traffic520 by 2037
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Doty RD over Cow Bayou Tributary built?

It was built in 1950, making it 75 years old in 2025.

What condition is Doty RD over Cow Bayou Tributary 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 2023.

How much traffic does Doty RD over Cow Bayou Tributary carry?

About 371 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Doty RD over Cow Bayou Tributary?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns Doty RD over Cow Bayou Tributary?

It is owned by the County Highway Agency.