US Bridges

FM 3089 over Drainage Ditch

Good

San Patricio County, Texas · 3.1 MI W of US 181 · Structure no. 162050111805009

Built
1971
54 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
115
2020 count
Owner
State
State Highway Agency

About this bridge

FM 3089 over Drainage Ditch is a concrete culvert carrying FM 3089 over Drainage Ditch in San Patricio County, Texas. It was built in 1971, so it is 54 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 115 vehicles a day, roughly 8% of them trucks, projected to reach 230 by 2033. The structure is 22 ft (6.7 m) long and 37 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFM 3089
CrossesDrainage Ditch
Location3.1 MI W of US 181
RouteState Highway 3089
StateTexas
Coordinates28.10052, -97.60552
Functional classRural Minor Collector

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width37 ft (11.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2020)
Projected traffic230 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 FM 3089 over Drainage Ditch built?

It was built in 1971, making it 54 years old in 2025.

What condition is FM 3089 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 March 2024.

How much traffic does FM 3089 over Drainage Ditch carry?

About 115 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is FM 3089 over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 37 ft wide.

Who owns FM 3089 over Drainage Ditch?

It is owned by the State Highway Agency.