US Bridges

Sth 27 over Holcombe Flowage

Good

Chippewa County, Wisconsin · 1.6M N JCT Cth M to E · Structure no. B09027300000000

Built
2009
16 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
431 ft
3 main spans
Daily traffic
4,500
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 27 over Holcombe Flowage is a prestressed concrete stringer/multi-beam or girder carrying Sth 27 over Holcombe Flowage in Chippewa County, Wisconsin. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 5,300 by 2042. The structure is 431 ft (131.3 m) long and 47 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesSth 27
CrossesHolcombe Flowage
Location1.6M N JCT Cth M to E
RouteState Highway 27
CountyChippewa County
StateWisconsin
Coordinates45.27163, -91.11038
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length431 ft (131.3 m)
Longest span142 ft (43.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2021)
Projected traffic5,300 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 27 over Holcombe Flowage built?

It was built in 2009, making it 16 years old in 2025.

What condition is Sth 27 over Holcombe Flowage 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 May 2023.

How much traffic does Sth 27 over Holcombe Flowage carry?

About 4,500 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Sth 27 over Holcombe Flowage?

The structure is 431 ft (131.3 m) long with a longest span of 142 ft (43.4 m) and a deck 47 ft wide.

Who owns Sth 27 over Holcombe Flowage?

It is owned by the State Highway Agency.