US Bridges

Napier Road over I-94

Fair

Berrien County, Michigan · 2.1 MI N of M-139 · Structure no. 000000000000837

Built
2000
25 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
209 ft
2 main spans
Daily traffic
16,549
2007 count
Owner
State
State Highway Agency

About this bridge

Napier Road over I-94 is a prestressed concrete box beam or girders - multiple carrying Napier Road over I-94 in Berrien County, Michigan. It was built in 2000, so it is 25 years old, younger 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 5 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 16,549 vehicles a day, roughly 13% of them trucks, projected to reach 13,826 by 2018. The structure is 209 ft (63.8 m) long and 85 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNapier Road
CrossesI-94
Location2.1 MI N of M-139
RouteCounty Highway 2013
CountyBerrien County
StateMichigan
Coordinates42.09059, -86.40906
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.7 US tons
Inventory rating48.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length209 ft (63.8 m)
Longest span105 ft (31.9 m)
Deck width85 ft (25.8 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,549 (2007)
Projected traffic13,826 by 2018
Trucks13%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Napier Road over I-94 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Napier Road over I-94 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 June 2024.

How much traffic does Napier Road over I-94 carry?

About 16,549 vehicles per day (2007 count), of which roughly 13% are trucks.

How long is Napier Road over I-94?

The structure is 209 ft (63.8 m) long with a longest span of 105 ft (31.9 m) and a deck 85 ft wide.

Who owns Napier Road over I-94?

It is owned by the State Highway Agency.