US Bridges

Sth 154 over Spring Valley Creek

Fair

Sauk County, Wisconsin · 6.7M E JCT Sth 130 · Structure no. B56046800000000

Built
1941
84 years old, rebuilt 1991
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
68 ft
2 main spans
Daily traffic
1,700
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 154 over Spring Valley Creek is a steel continuous stringer/multi-beam or girder carrying Sth 154 over Spring Valley Creek in Sauk County, Wisconsin. It was built in 1941 and reconstructed in 1991, so it is 84 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 1,700 vehicles a day, roughly 9% of them trucks, projected to reach 2,100 by 2043. The structure is 68 ft (20.7 m) long and 41 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSth 154
CrossesSpring Valley Creek
Location6.7M E JCT Sth 130
RouteState Highway 154
CountySauk County
StateWisconsin
Coordinates43.44033, -90.03869
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span33 ft (10.1 m)
Deck width41 ft (12.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2022)
Projected traffic2,100 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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 154 over Spring Valley Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1991.

What condition is Sth 154 over Spring Valley Creek 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 August 2024.

How much traffic does Sth 154 over Spring Valley Creek carry?

About 1,700 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 154 over Spring Valley Creek?

The structure is 68 ft (20.7 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.

Who owns Sth 154 over Spring Valley Creek?

It is owned by the State Highway Agency.