US Bridges

Sth 27-STH 71 over Br Spencer Creek

Good

Monroe County, Wisconsin · 6.3M N JCT Cth B · Structure no. B41017100000000

Built
1989
36 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
3,300
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 27-STH 71 over Br Spencer Creek is a concrete culvert carrying Sth 27-STH 71 over Br Spencer Creek in Monroe County, Wisconsin. It was built in 1989, so it is 36 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 3,300 vehicles a day, roughly 10% of them trucks, projected to reach 3,960 by 2041. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 15.5 mi (25 km).

CarriesSth 27-STH 71
CrossesBr Spencer Creek
Location6.3M N JCT Cth B
RouteState Highway 27
Coordinates44.03676, -90.86237
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2021)
Projected traffic3,960 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 km)
TollOn a free road
National Highway SystemYes

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-STH 71 over Br Spencer Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sth 27-STH 71 over Br Spencer Creek 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 August 2024.

How much traffic does Sth 27-STH 71 over Br Spencer Creek carry?

About 3,300 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Sth 27-STH 71 over Br Spencer Creek?

The structure is 23 ft (6.9 m) long with a longest span of 7 ft (2.1 m).

Who owns Sth 27-STH 71 over Br Spencer Creek?

It is owned by the State Highway Agency.