US Bridges

FM 2520 over Drainage Ditch

Good

Cameron County, Texas · 1.70 MI NE of US 281 · Structure no. 210310235601001

Built
1945
80 years old, rebuilt 1960
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
1,971
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2520 over Drainage Ditch is a concrete culvert carrying FM 2520 over Drainage Ditch in Cameron County, Texas. It was built in 1945 and reconstructed in 1960, so it is 80 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 1,971 vehicles a day, roughly 29% of them trucks, projected to reach 3,170 by 2033. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 2520
CrossesDrainage Ditch
Location1.70 MI NE of US 281
RouteState Highway 2520
StateTexas
Coordinates26.06693, -97.69016
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,971 (2020)
Projected traffic3,170 by 2033
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 2520 over Drainage Ditch built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1960.

What condition is FM 2520 over 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 March 2023.

How much traffic does FM 2520 over Drainage Ditch carry?

About 1,971 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is FM 2520 over Drainage Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 8 ft (2.4 m).

Who owns FM 2520 over Drainage Ditch?

It is owned by the State Highway Agency.