US Bridges

FM 3354 over Concordia Ditch

Good

Nueces County, Texas · 5.75 MI E of US 77 · Structure no. 161780345701002

Built
1978
47 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
124
2020 count
Owner
State
State Highway Agency

About this bridge

FM 3354 over Concordia Ditch is a prestressed concrete box beam or girders - multiple carrying FM 3354 over Concordia Ditch in Nueces County, Texas. It was built in 1978, so it is 47 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 124 vehicles a day, roughly 8% of them trucks, projected to reach 80 by 2033. The structure is 66 ft (20.1 m) long and 29 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesFM 3354
CrossesConcordia Ditch
Location5.75 MI E of US 77
RouteState Highway 3354
StateTexas
Coordinates27.6081, -97.68978
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span65 ft (19.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124 (2020)
Projected traffic80 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

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 FM 3354 over Concordia Ditch built?

It was built in 1978, making it 47 years old in 2025.

What condition is FM 3354 over Concordia 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 July 2024.

How much traffic does FM 3354 over Concordia Ditch carry?

About 124 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is FM 3354 over Concordia Ditch?

The structure is 66 ft (20.1 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.

Who owns FM 3354 over Concordia Ditch?

It is owned by the State Highway Agency.