US Bridges

Summit Street over Halfway Creek

Good

Monroe County, Michigan · 0.4 MI N of State Line · Structure no. 000000000007228

Built
1991
34 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
124 ft
2 main spans
Daily traffic
1,912
2017 count
Owner
County
County Highway Agency

About this bridge

Summit Street over Halfway Creek is a prestressed concrete box beam or girders - multiple carrying Summit Street over Halfway Creek in Monroe County, Michigan. It was built in 1991, so it is 34 years old, younger 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 1,912 vehicles a day, roughly 9% of them trucks, projected to reach 2,199 by 2037. The structure is 124 ft (37.8 m) long and 65 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSummit Street
CrossesHalfway Creek
Location0.4 MI N of State Line
RouteCounty Highway 5851
Coordinates41.73758, -83.47984
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating102.5 US tons
Inventory rating61.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span61 ft (18.6 m)
Deck width65 ft (19.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,912 (2017)
Projected traffic2,199 by 2037
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Summit Street over Halfway Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Summit Street over Halfway 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 September 2024.

How much traffic does Summit Street over Halfway Creek carry?

About 1,912 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Summit Street over Halfway Creek?

The structure is 124 ft (37.8 m) long with a longest span of 61 ft (18.6 m) and a deck 65 ft wide.

Who owns Summit Street over Halfway Creek?

It is owned by the County Highway Agency.