US Bridges

Airport Road over Dscharge Channel

Good

McLennan County, Texas · 0.55 MI SE of FM 3051 · Structure no. 091610B00021001

Built
1964
61 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
4 main spans
Daily traffic
2,184
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Airport Road over Dscharge Channel is a prestressed concrete stringer/multi-beam or girder carrying Airport Road over Dscharge Channel in McLennan County, Texas. It was built in 1964, so it is 61 years old, older 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 2,184 vehicles a day, roughly 10% of them trucks, projected to reach 2,000 by 2032. The structure is 260 ft (79.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAirport Road
CrossesDscharge Channel
Location0.55 MI SE of FM 3051
RouteCity Street 0
CountyMcLennan County
StateTexas
Coordinates31.59715, -97.20222
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length260 ft (79.2 m)
Longest span65 ft (19.8 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,184 (2022)
Projected traffic2,000 by 2032
Trucks10%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Airport Road over Dscharge Channel built?

It was built in 1964, making it 61 years old in 2025.

What condition is Airport Road over Dscharge Channel 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 February 2024.

How much traffic does Airport Road over Dscharge Channel carry?

About 2,184 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Airport Road over Dscharge Channel?

The structure is 260 ft (79.2 m) long with a longest span of 65 ft (19.8 m) and a deck 34 ft wide.

Who owns Airport Road over Dscharge Channel?

It is owned by the City or Municipal Highway Agency.