US Bridges

NB Conn to Airport over Airport Blvd

Good

Bexar County, Texas · US 281 at IH 410 · Structure no. 150150B00340001

Built
2001
24 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,824 ft
16 main spans
Daily traffic
6,854
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

NB Conn to Airport over Airport Blvd is a prestressed concrete stringer/multi-beam or girder carrying NB Conn to Airport over Airport Blvd in Bexar County, Texas. It was built in 2001, so it is 24 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 6,854 vehicles a day, projected to reach 7,500 by 2030. The structure is 1,824 ft (556 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNB Conn to Airport
CrossesAirport Blvd
LocationUS 281 at IH 410
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.52355, -98.47925
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: 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, precast panels
Main spans16 (+2 approach)
Design loadHS 20
Structure length1,824 ft (556 m)
Longest span118 ft (36 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,854 (2021)
Projected traffic7,500 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB Conn to Airport over Airport Blvd built?

It was built in 2001, making it 24 years old in 2025.

What condition is NB Conn to Airport over Airport Blvd 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 July 2023.

How much traffic does NB Conn to Airport over Airport Blvd carry?

About 6,854 vehicles per day (2021 count).

How long is NB Conn to Airport over Airport Blvd?

The structure is 1,824 ft (556 m) long with a longest span of 118 ft (36 m) and a deck 30 ft wide.

Who owns NB Conn to Airport over Airport Blvd?

It is owned by the City or Municipal Highway Agency.