US Bridges

Sth 136-RIVER ST over Narrows Creek

Good

Sauk County, Wisconsin · 5.0M E JCT Sth 23 · Structure no. B56018300000000

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
80 ft
2 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 136-RIVER ST over Narrows Creek is a concrete slab carrying Sth 136-RIVER ST over Narrows Creek in Sauk County, Wisconsin. It was built in 2008, so it is 17 years old, younger 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 2,600 vehicles a day, projected to reach 2,600 by 2043. The structure is 80 ft (24.5 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSth 136-RIVER ST
CrossesNarrows Creek
Location5.0M E JCT Sth 23
RouteState Highway 136
Coordinates43.4785, -89.91667
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length80 ft (24.5 m)
Longest span39 ft (11.9 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic2,600 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 136-RIVER ST over Narrows Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Sth 136-RIVER ST over Narrows Creek 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 October 2024.

How much traffic does Sth 136-RIVER ST over Narrows Creek carry?

About 2,600 vehicles per day (2022 count).

How long is Sth 136-RIVER ST over Narrows Creek?

The structure is 80 ft (24.5 m) long with a longest span of 39 ft (11.9 m) and a deck 44 ft wide.

Who owns Sth 136-RIVER ST over Narrows Creek?

It is owned by the State Highway Agency.