US Bridges

Old Military Road over Drainage Ditch

FairPosted for load

Hidalgo County, Texas · 0.25 MI E of FM 1427 · Structure no. 211090M00629001

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
400
2009 count
Owner
County
County Highway Agency

About this bridge

Old Military Road over Drainage Ditch is a concrete continuous slab carrying Old Military Road over Drainage Ditch in Hidalgo County, Texas. It was built in 1935, so it is 90 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 400 vehicles a day, roughly 3% of them trucks, projected to reach 400 by 2042. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesOld Military Road
CrossesDrainage Ditch
Location0.25 MI E of FM 1427
RouteCounty Highway 0
CountyHidalgo County
StateTexas
Coordinates26.19635, -98.40247
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2009)
Projected traffic400 by 2042
Trucks3%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Military Road over Drainage Ditch built?

It was built in 1935, making it 90 years old in 2025.

What condition is Old Military Road 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 Old Military Road over Drainage Ditch carry?

About 400 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Old Military Road over Drainage Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 20 ft wide.

Who owns Old Military Road over Drainage Ditch?

It is owned by the County Highway Agency.