US Bridges

Sl 480 NB on Ramp over Draw No 4

Good

Maverick County, Texas · 0.35 MI N of US 277 · Structure no. 221590029914080

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
2,545
2020 count
Owner
State
State Highway Agency

About this bridge

Sl 480 NB on Ramp over Draw No 4 is a prestressed concrete stringer/multi-beam or girder carrying Sl 480 NB on Ramp over Draw No 4 in Maverick County, Texas. It was built in 2010, so it is 15 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 2,545 vehicles a day, roughly 9% of them trucks, projected to reach 5,050 by 2033. The structure is 90 ft (27.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSl 480 NB on Ramp
CrossesDraw No 4
Location0.35 MI N of US 277
RouteState Highway 480
CountyMaverick County
StateTexas
Coordinates28.71014, -100.4316
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span90 ft (27.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,545 (2020)
Projected traffic5,050 by 2033
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sl 480 NB on Ramp over Draw No 4 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sl 480 NB on Ramp over Draw No 4 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 2023.

How much traffic does Sl 480 NB on Ramp over Draw No 4 carry?

About 2,545 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Sl 480 NB on Ramp over Draw No 4?

The structure is 90 ft (27.4 m) long with a longest span of 90 ft (27.4 m) and a deck 40 ft wide.

Who owns Sl 480 NB on Ramp over Draw No 4?

It is owned by the State Highway Agency.