US Bridges

FM 3089 over Drainage Ditch

Fair

San Patricio County, Texas · 2.1 MI W of US 181 · Structure no. 162050111805010

Built
1962
63 years old, rebuilt 1971
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
6 main spans
Daily traffic
349
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 1962 and reconstructed in 1971, so it is 63 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 349 vehicles a day, roughly 10% of them trucks, projected to reach 660 by 2033. The structure is 21 ft (6.4 m) long and 37 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesFM 3089
CrossesDrainage Ditch
Location2.1 MI W of US 181
RouteState Highway 3089
CountySan Patricio County
StateTexas
Coordinates28.10026, -97.59255
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span3 ft (0.9 m)
Deck width37 ft (11.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2020)
Projected traffic660 by 2033
Trucks10%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3089 over Drainage Ditch built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1971.

What condition is FM 3089 over Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does FM 3089 over Drainage Ditch carry?

About 349 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 3089 over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 3 ft (0.9 m) and a deck 37 ft wide.

Who owns FM 3089 over Drainage Ditch?

It is owned by the State Highway Agency.