US Bridges

US-2|US-41 over Portage Creek

Fair

Delta County, Michigan · 3.4 MI W of Escanaba · Structure no. 000000000002082

Built
1928
97 years old, rebuilt 1985
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
14,094
2007 count
Owner
State
State Highway Agency

About this bridge

US-2|US-41 over Portage Creek is a prestressed concrete box beam or girders - multiple carrying US-2|US-41 over Portage Creek in Delta County, Michigan. It was built in 1928 and reconstructed in 1985, so it is 97 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 14,094 vehicles a day, roughly 4% of them trucks, projected to reach 21,372 by 2018. The structure is 23 ft (7 m) long and 47 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesUS-2|US-41
CrossesPortage Creek
Location3.4 MI W of Escanaba
RouteU.S. Route 2
Coordinates45.74576, -87.1245
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span22 ft (6.6 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,094 (2007)
Projected traffic21,372 by 2018
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-2|US-41 over Portage Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1985.

What condition is US-2|US-41 over Portage Creek 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 October 2023.

How much traffic does US-2|US-41 over Portage Creek carry?

About 14,094 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is US-2|US-41 over Portage Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.6 m) and a deck 47 ft wide.

Who owns US-2|US-41 over Portage Creek?

It is owned by the State Highway Agency.