US Bridges

Tulane RD over Coons Bayou

Good

Orange County, Texas · 1.10 MI E of SH 62 · Structure no. 201810AA0227001

Built
1999
26 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
46 ft
4 main spans
Daily traffic
1,042
2016 count
Owner
County
County Highway Agency

About this bridge

Tulane RD over Coons Bayou is a concrete culvert carrying Tulane RD over Coons Bayou in Orange County, Texas. It was built in 1999, so it is 26 years old, younger 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 1,042 vehicles a day, roughly 3% of them trucks, projected to reach 1,460 by 2037. The structure is 46 ft (14 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTulane RD
CrossesCoons Bayou
Location1.10 MI E of SH 62
RouteCounty Highway 0
StateTexas
Coordinates30.09337, -93.80298
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans4
Design loadHS 20
Structure length46 ft (14 m)
Longest span8 ft (2.4 m)
Deck width36 ft (11 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,042 (2016)
Projected traffic1,460 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tulane RD over Coons Bayou built?

It was built in 1999, making it 26 years old in 2025.

What condition is Tulane RD over Coons Bayou 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 July 2023.

How much traffic does Tulane RD over Coons Bayou carry?

About 1,042 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Tulane RD over Coons Bayou?

The structure is 46 ft (14 m) long with a longest span of 8 ft (2.4 m) and a deck 36 ft wide.

Who owns Tulane RD over Coons Bayou?

It is owned by the County Highway Agency.