US Bridges

San Isidro Pkwy over Drainage Ditch

Fair

Webb County, Texas · 0.15 MI E of Mcpherson · Structure no. 222400AL5167001

Built
2000
25 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
8,229
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

San Isidro Pkwy over Drainage Ditch is a concrete culvert carrying San Isidro Pkwy over Drainage Ditch in Webb County, Texas. It was built in 2000, so it is 25 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,229 vehicles a day, projected to reach 5,000 by 2032. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSan Isidro Pkwy
CrossesDrainage Ditch
Location0.15 MI E of Mcpherson
RouteCity Street 0
StateTexas
Coordinates27.60314, -99.47535
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length39 ft (11.9 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 traffic8,229 (2023)
Projected traffic5,000 by 2032
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 San Isidro Pkwy over Drainage Ditch built?

It was built in 2000, making it 25 years old in 2025.

What condition is San Isidro Pkwy 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 December 2022.

How much traffic does San Isidro Pkwy over Drainage Ditch carry?

About 8,229 vehicles per day (2023 count).

How long is San Isidro Pkwy over Drainage Ditch?

The structure is 39 ft (11.9 m) long with a longest span of 8 ft (2.4 m).

Who owns San Isidro Pkwy over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.