US Bridges

CR 3500 over Old West Main Drain

Good

Willacy County, Texas · 0.05 MI W of JCT Bu 77 · Structure no. 212450AA4160001

Built
2016
9 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
34
2019 count
Owner
County
County Highway Agency

About this bridge

CR 3500 over Old West Main Drain is a prestressed concrete stringer/multi-beam or girder carrying CR 3500 over Old West Main Drain in Willacy County, Texas. It was built in 2016, so it is 9 years old, younger 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 34 vehicles a day, roughly 3% of them trucks, projected to reach 38 by 2042. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 3500
CrossesOld West Main Drain
Location0.05 MI W of JCT Bu 77
RouteCounty Highway 3500
StateTexas
Coordinates26.51274, -97.77932
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2019)
Projected traffic38 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 3500 over Old West Main Drain built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR 3500 over Old West Main Drain 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 April 2024.

How much traffic does CR 3500 over Old West Main Drain carry?

About 34 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is CR 3500 over Old West Main Drain?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns CR 3500 over Old West Main Drain?

It is owned by the County Highway Agency.