US Bridges

US 90 over Coh Fresh Water Canal

Good

Harris County, Texas · 0.5 MI NE of Beltway 8 · Structure no. 121020002802211

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
63,120
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 over Coh Fresh Water Canal is a concrete culvert carrying US 90 over Coh Fresh Water Canal in Harris County, Texas. It was built in 1990, so it is 35 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 63,120 vehicles a day, roughly 8% of them trucks, projected to reach 88,993 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 90
CrossesCoh Fresh Water Canal
Location0.5 MI NE of Beltway 8
RouteU.S. Route 90
CountyHarris County
StateTexas
Coordinates29.83579, -95.1685
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,120 (2023)
Projected traffic88,993 by 2042
Trucks8%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90 over Coh Fresh Water Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is US 90 over Coh Fresh Water Canal 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 US 90 over Coh Fresh Water Canal carry?

About 63,120 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 90 over Coh Fresh Water Canal?

The structure is 38 ft (11.6 m) long with a longest span of 8 ft (2.4 m).

Who owns US 90 over Coh Fresh Water Canal?

It is owned by the State Highway Agency.