US Bridges

Sth 102 over Big Rib River

Good

Taylor County, Wisconsin · 4.2M N JCT Sth 13 · Structure no. B60000400000000

Built
1958
67 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 102 over Big Rib River is a concrete slab carrying Sth 102 over Big Rib River in Taylor County, Wisconsin. It was built in 1958, so it is 67 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 4% of them trucks, projected to reach 1,880 by 2042. The structure is 33 ft (10.1 m) long and 39 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

CarriesSth 102
CrossesBig Rib River
Location4.2M N JCT Sth 13
RouteState Highway 102
Coordinates45.31227, -90.21514
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,880 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 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 102 over Big Rib River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Sth 102 over Big Rib River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Sth 102 over Big Rib River carry?

About 1,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Sth 102 over Big Rib River?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 39 ft wide.

Who owns Sth 102 over Big Rib River?

It is owned by the State Highway Agency.