US Bridges

Sth 35 over Dmir RR

Fair

Douglas County, Wisconsin · 0.3M N JCT Cth C to E · Structure no. B16003700000000

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
6,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 35 over Dmir RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 35 over Dmir RR in Douglas County, Wisconsin. It was built in 1977, so it is 48 years old, older than the Wisconsin average of 40.3 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 6,700 vehicles a day, roughly 3% of them trucks, projected to reach 7,200 by 2043. The structure is 143 ft (43.6 m) long and 48 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSth 35
CrossesDmir RR
Location0.3M N JCT Cth C to E
RouteState Highway 35
Coordinates46.63778, -92.10441
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span54 ft (16.6 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2023)
Projected traffic7,200 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed29.8 mi (48 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 35 over Dmir RR built?

It was built in 1977, making it 48 years old in 2025.

What condition is Sth 35 over Dmir RR 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 July 2024.

How much traffic does Sth 35 over Dmir RR carry?

About 6,700 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sth 35 over Dmir RR?

The structure is 143 ft (43.6 m) long with a longest span of 54 ft (16.6 m) and a deck 48 ft wide.

Who owns Sth 35 over Dmir RR?

It is owned by the State Highway Agency.