US Bridges

Sth 133 over Rattlesnake Creek

Fair

Grant County, Wisconsin · 7.6M N JCT Cth Vv · Structure no. B22002600000000

Built
1951
74 years old, rebuilt 1991
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
870
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 133 over Rattlesnake Creek is a steel stringer/multi-beam or girder carrying Sth 133 over Rattlesnake Creek in Grant County, Wisconsin. It was built in 1951 and reconstructed in 1991, so it is 74 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 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 870 vehicles a day, roughly 10% of them trucks, projected to reach 1,760 by 2042. The structure is 68 ft (20.7 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesSth 133
CrossesRattlesnake Creek
Location7.6M N JCT Cth Vv
RouteState Highway 133
CountyGrant County
StateWisconsin
Coordinates42.81564, -90.96547
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length68 ft (20.7 m)
Longest span67 ft (20.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2022)
Projected traffic1,760 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 133 over Rattlesnake Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1991.

What condition is Sth 133 over Rattlesnake 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 September 2023.

How much traffic does Sth 133 over Rattlesnake Creek carry?

About 870 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 133 over Rattlesnake Creek?

The structure is 68 ft (20.7 m) long with a longest span of 67 ft (20.3 m) and a deck 28 ft wide.

Who owns Sth 133 over Rattlesnake Creek?

It is owned by the State Highway Agency.