US Bridges

SH 359 over Drainage Ditch

Good

Webb County, Texas · 22.30 MI E of Lp 20 · Structure no. 222400008603057

Built
1964
61 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
3,185
2020 count
Owner
State
State Highway Agency

About this bridge

SH 359 over Drainage Ditch is a concrete culvert carrying SH 359 over Drainage Ditch in Webb County, Texas. It was built in 1964, so it is 61 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 3,185 vehicles a day, roughly 11% of them trucks, projected to reach 4,620 by 2033. The structure is 29 ft (8.8 m) long and 55 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSH 359
CrossesDrainage Ditch
Location22.30 MI E of Lp 20
RouteState Highway 359
StateTexas
Coordinates27.45515, -99.09648
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 inspectionSeptember 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
DeckNot applicable
Main spans3
Design loadH 20
Structure length29 ft (8.8 m)
Longest span6 ft (1.8 m)
Deck width55 ft (16.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,185 (2020)
Projected traffic4,620 by 2033
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 359 over Drainage Ditch built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 359 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 September 2024.

How much traffic does SH 359 over Drainage Ditch carry?

About 3,185 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is SH 359 over Drainage Ditch?

The structure is 29 ft (8.8 m) long with a longest span of 6 ft (1.8 m) and a deck 55 ft wide.

Who owns SH 359 over Drainage Ditch?

It is owned by the State Highway Agency.