US Bridges

Sth 169 over Tyler Forks River

Fair

Ashland County, Wisconsin · 8.1M N JCT Sth 13 · Structure no. B02004300000000

Built
1993
32 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
66 ft
2 main spans
Daily traffic
180
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 169 over Tyler Forks River is a concrete continuous slab carrying Sth 169 over Tyler Forks River in Ashland County, Wisconsin. It was built in 1993, so it is 32 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 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 180 vehicles a day, roughly 11% of them trucks, projected to reach 320 by 2042. The structure is 66 ft (20.1 m) long and 32 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesSth 169
CrossesTyler Forks River
Location8.1M N JCT Sth 13
RouteState Highway 169
CountyAshland County
StateWisconsin
Coordinates46.40564, -90.56943
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic320 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 169 over Tyler Forks River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Sth 169 over Tyler Forks 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 October 2023.

How much traffic does Sth 169 over Tyler Forks River carry?

About 180 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Sth 169 over Tyler Forks River?

The structure is 66 ft (20.1 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Sth 169 over Tyler Forks River?

It is owned by the State Highway Agency.