US Bridges

Mangana Hein RD over Draw

Good

Webb County, Texas · 1.0 MI E of US 83 · Structure no. 222400AA0313001

Built
1990
35 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
31 ft
4 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 1990, so it is 35 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 6,630 vehicles a day, projected to reach 2,300 by 2033. The structure is 31 ft (9.4 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMangana Hein RD
CrossesDraw
Location1.0 MI E of US 83
RouteCounty Highway 313
StateTexas
Coordinates27.40087, -99.46146
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
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
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.4 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 1990, making it 35 years old in 2025.

What condition is Mangana Hein RD over Draw 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 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 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m) and a deck 33 ft wide.

Who owns Mangana Hein RD over Draw?

It is owned by the County Highway Agency.