US Bridges

FR 2104 over 1st S Br Oconto River

Fair

Oconto County, Wisconsin · FR 2104 MP 0.5 · Structure no. 091304000025257

Built
2016
9 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
199
2016 count
Owner
Federal
U.S. Forest Service

About this bridge

FR 2104 over 1st S Br Oconto River is a concrete culvert carrying FR 2104 over 1st S Br Oconto River in Oconto County, Wisconsin. It was built in 2016, so it is 9 years old, younger 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 199 vehicles a day, roughly 25% of them trucks, projected to reach 298 by 2045. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFR 2104
Crosses1st S Br Oconto River
LocationFR 2104 MP 0.5
RouteFederal Lands Road 2104
Coordinates45.24174, -88.50371
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2016)
Projected traffic298 by 2045
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FR 2104 over 1st S Br Oconto River built?

It was built in 2016, making it 9 years old in 2025.

What condition is FR 2104 over 1st S Br Oconto River 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 September 2024.

How much traffic does FR 2104 over 1st S Br Oconto River carry?

About 199 vehicles per day (2016 count), of which roughly 25% are trucks.

How long is FR 2104 over 1st S Br Oconto River?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns FR 2104 over 1st S Br Oconto River?

It is owned by the U.S. Forest Service.