US Bridges

Mile 17-1/2 N RD over N Main Drainage Ditch

Good

Hidalgo County, Texas · 0.25 MI E of FM 2061 · Structure no. 211090E00657001

Built
1975
50 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
5,988
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mile 17-1/2 N RD over N Main Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying Mile 17-1/2 N RD over N Main Drainage Ditch in Hidalgo County, Texas. It was built in 1975, so it is 50 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 5,988 vehicles a day, roughly 3% of them trucks, projected to reach 600 by 2042. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMile 17-1/2 N RD
CrossesN Main Drainage Ditch
Location0.25 MI E of FM 2061
RouteCity Street 0
StateTexas
Coordinates26.32677, -98.18652
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,988 (2024)
Projected traffic600 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 17-1/2 N RD over N Main Drainage Ditch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mile 17-1/2 N RD over N Main 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 May 2024.

How much traffic does Mile 17-1/2 N RD over N Main Drainage Ditch carry?

About 5,988 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Mile 17-1/2 N RD over N Main Drainage Ditch?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns Mile 17-1/2 N RD over N Main Drainage Ditch?

It is owned by the City or Municipal Highway Agency.