US Bridges

Sth 133 over Little Green River

Good

Grant County, Wisconsin · At Irish Ridge RD · Structure no. B22027100000000

Built
2010
15 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
580
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 133 over Little Green River is a concrete continuous culvert carrying Sth 133 over Little Green River in Grant County, Wisconsin. It was built in 2010, so it is 15 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 580 vehicles a day, roughly 6% of them trucks, projected to reach 700 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSth 133
CrossesLittle Green River
LocationAt Irish Ridge RD
RouteState Highway 133
Coordinates43.04244, -90.83869
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2022)
Projected traffic700 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Little Green River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sth 133 over Little Green 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 September 2021.

How much traffic does Sth 133 over Little Green River carry?

About 580 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Sth 133 over Little Green River?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Sth 133 over Little Green River?

It is owned by the State Highway Agency.