US Bridges

Cth F 4th ST over Sugar River Millrace

Fair

Green County, Wisconsin · 0.2M W JCT Sth 11 · Structure no. B23014200000000

Built
2005
20 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
91 ft
2 main spans
Daily traffic
1,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cth F 4th ST over Sugar River Millrace is a concrete continuous slab carrying Cth F 4th ST over Sugar River Millrace in Green County, Wisconsin. It was built in 2005, so it is 20 years old, younger 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 1,100 vehicles a day, roughly 9% of them trucks, projected to reach 1,702 by 2043. The structure is 91 ft (27.6 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCth F 4th ST
CrossesSugar River Millrace
Location0.2M W JCT Sth 11
RouteCounty Highway 0F
CountyGreen County
StateWisconsin
Coordinates42.6262, -89.38148
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length91 ft (27.6 m)
Longest span44 ft (13.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,702 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cth F 4th ST over Sugar River Millrace built?

It was built in 2005, making it 20 years old in 2025.

What condition is Cth F 4th ST over Sugar River Millrace 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 May 2024.

How much traffic does Cth F 4th ST over Sugar River Millrace carry?

About 1,100 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Cth F 4th ST over Sugar River Millrace?

The structure is 91 ft (27.6 m) long with a longest span of 44 ft (13.4 m) and a deck 36 ft wide.

Who owns Cth F 4th ST over Sugar River Millrace?

It is owned by the City or Municipal Highway Agency.