US Bridges

Island Drive over Traver Creek

Good

Washtenaw County, Michigan · 0.75 MI E of US-23 Br · Structure no. 000000000011081

Built
1962
63 years old, rebuilt 2021
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
959
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Island Drive over Traver Creek is a prestressed concrete box beam or girders - multiple carrying Island Drive over Traver Creek in Washtenaw County, Michigan. It was built in 1962 and reconstructed in 2021, so it is 63 years old, older than the Michigan average of 48.3 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 959 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2035. The structure is 24 ft (7.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIsland Drive
CrossesTraver Creek
Location0.75 MI E of US-23 Br
RouteCity Street 0
Coordinates42.2891, -83.73156
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating46.4 US tons
Inventory rating32.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width43 ft (13 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic959 (2016)
Projected traffic1,000 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$338,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Island Drive over Traver Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2021.

What condition is Island Drive over Traver Creek 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 2024.

How much traffic does Island Drive over Traver Creek carry?

About 959 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Island Drive over Traver Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 43 ft wide.

Who owns Island Drive over Traver Creek?

It is owned by the City or Municipal Highway Agency.