US Bridges

US 90 over Drainage Ditch

Good

Guadalupe County, Texas · 1.50 MI NE of IH 10 · Structure no. 150950002503018

Built
1932
93 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
68 ft
12 main spans
Daily traffic
4,515
2020 count
Owner
State
State Highway Agency

About this bridge

US 90 over Drainage Ditch is a concrete culvert carrying US 90 over Drainage Ditch in Guadalupe County, Texas. It was built in 1932, so it is 93 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 4,515 vehicles a day, roughly 11% of them trucks, projected to reach 6,350 by 2033. The structure is 68 ft (20.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90
CrossesDrainage Ditch
Location1.50 MI NE of IH 10
RouteU.S. Route 90
StateTexas
Coordinates29.55846, -98.01844
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
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadH 15
Structure length68 ft (20.7 m)
Longest span5 ft (1.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,515 (2020)
Projected traffic6,350 by 2033
Trucks11%
Lanes on structure2
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 US 90 over Drainage Ditch built?

It was built in 1932, making it 93 years old in 2025.

What condition is US 90 over Drainage Ditch 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 Drainage Ditch carry?

About 4,515 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is US 90 over Drainage Ditch?

The structure is 68 ft (20.7 m) long with a longest span of 5 ft (1.5 m) and a deck 43 ft wide.

Who owns US 90 over Drainage Ditch?

It is owned by the State Highway Agency.