US Bridges

Mile 12-1/2 N RD over Drainage Ditch

FairPosted for load

Hidalgo County, Texas · 0.60 MI E of Mile 3rd W · Structure no. 211090AA0802001

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
61 ft
2 main spans
Daily traffic
1,313
2024 count
Owner
County
County Highway Agency

About this bridge

Mile 12-1/2 N RD over Drainage Ditch is a concrete stringer/multi-beam or girder carrying Mile 12-1/2 N RD over Drainage Ditch in Hidalgo County, Texas. It was built in 1950, so it is 75 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,313 vehicles a day, projected to reach 110 by 2032. The structure is 61 ft (18.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMile 12-1/2 N RD
CrossesDrainage Ditch
Location0.60 MI E of Mile 3rd W
RouteCounty Highway 0
StateTexas
Coordinates26.23594, -97.95029
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,313 (2024)
Projected traffic110 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mile 12-1/2 N RD over Drainage Ditch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Mile 12-1/2 N RD 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 May 2024.

How much traffic does Mile 12-1/2 N RD over Drainage Ditch carry?

About 1,313 vehicles per day (2024 count).

How long is Mile 12-1/2 N RD over Drainage Ditch?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Mile 12-1/2 N RD over Drainage Ditch?

It is owned by the County Highway Agency.