US Bridges

Mangana Hein RD over Draw

Fair

Webb County, Texas · 1.32 MI E of US 83 · Structure no. 222400AA0313005

Built
2008
17 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
6,630
2023 count
Owner
County
County Highway Agency

About this bridge

Mangana Hein RD over Draw is a concrete culvert carrying Mangana Hein RD over Draw in Webb County, Texas. It was built in 2008, so it is 17 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 6,630 vehicles a day, projected to reach 2,300 by 2033. The structure is 44 ft (13.4 m) long and 48 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMangana Hein RD
CrossesDraw
Location1.32 MI E of US 83
RouteCounty Highway 313
CountyWebb County
StateTexas
Coordinates27.40093, -99.45715
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span8 ft (2.4 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,630 (2023)
Projected traffic2,300 by 2033
Trucks0%
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

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 Mangana Hein RD over Draw built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mangana Hein RD over Draw 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 October 2024.

How much traffic does Mangana Hein RD over Draw carry?

About 6,630 vehicles per day (2023 count).

How long is Mangana Hein RD over Draw?

The structure is 44 ft (13.4 m) long with a longest span of 8 ft (2.4 m) and a deck 48 ft wide.

Who owns Mangana Hein RD over Draw?

It is owned by the County Highway Agency.