US Bridges

Obsidian RD over Draw

Fair

Webb County, Texas · 0.47 MI E of US 83 · Structure no. 222400B00873001

Built
2008
17 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
71 ft
4 main spans
Daily traffic
2,869
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Obsidian RD over Draw is a concrete culvert carrying Obsidian 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 2,869 vehicles a day, projected to reach 200 by 2028. The structure is 71 ft (21.6 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesObsidian RD
CrossesDraw
Location0.47 MI E of US 83
RouteCity Street 0
CountyWebb County
StateTexas
Coordinates27.43668, -99.47234
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum 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 length71 ft (21.6 m)
Longest span8 ft (2.4 m)
Deck width72 ft (21.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,869 (2024)
Projected traffic200 by 2028
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Obsidian RD over Draw built?

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

What condition is Obsidian 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 Obsidian RD over Draw carry?

About 2,869 vehicles per day (2024 count).

How long is Obsidian RD over Draw?

The structure is 71 ft (21.6 m) long with a longest span of 8 ft (2.4 m) and a deck 72 ft wide.

Who owns Obsidian RD over Draw?

It is owned by the City or Municipal Highway Agency.