US Bridges

Airport RD over US-31 Br

Fair

Muskegon County, Michigan · 0.4 MI NW of US-31 · Structure no. 000000000007619

Built
1959
66 years old, rebuilt 2000
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
298 ft
4 main spans
Daily traffic
3,800
1988 count
Owner
State
State Highway Agency

About this bridge

Airport RD over US-31 Br is a steel stringer/multi-beam or girder carrying Airport RD over US-31 Br in Muskegon County, Michigan. It was built in 1959 and reconstructed in 2000, so it is 66 years old, older than the Michigan average of 48.3 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 3,800 vehicles a day, roughly 5% of them trucks, projected to reach 4,370 by 2008. The structure is 298 ft (90.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAirport RD
CrossesUS-31 Br
Location0.4 MI NW of US-31
RouteCity Street 2007
CountyMuskegon County
StateMichigan
Coordinates43.17623, -86.21389
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length298 ft (90.8 m)
Longest span78 ft (23.7 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (1988)
Projected traffic4,370 by 2008
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$334,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Airport RD over US-31 Br built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2000.

What condition is Airport RD over US-31 Br 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 August 2023.

How much traffic does Airport RD over US-31 Br carry?

About 3,800 vehicles per day (1988 count), of which roughly 5% are trucks.

How long is Airport RD over US-31 Br?

The structure is 298 ft (90.8 m) long with a longest span of 78 ft (23.7 m) and a deck 34 ft wide.

Who owns Airport RD over US-31 Br?

It is owned by the State Highway Agency.