US Bridges

Sth 59-STH 213-MAD over Allen Creek

Fair

Rock County, Wisconsin · 3.1M E JCT Sth 213 to S · Structure no. B53012700000000

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
5,900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sth 59-STH 213-MAD over Allen Creek is a concrete continuous culvert carrying Sth 59-STH 213-MAD over Allen Creek in Rock County, Wisconsin. It was built in 1981, so it is 44 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 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 5,900 vehicles a day, roughly 6% of them trucks, projected to reach 6,426 by 2042. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 59-STH 213-MAD
CrossesAllen Creek
Location3.1M E JCT Sth 213 to S
RouteState Highway 59
Coordinates42.78417, -89.29889
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2023)
Projected traffic6,426 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Sth 59-STH 213-MAD over Allen Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sth 59-STH 213-MAD over Allen 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 59-STH 213-MAD over Allen Creek carry?

About 5,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sth 59-STH 213-MAD over Allen Creek?

The structure is 31 ft (9.3 m) long with a longest span of 9 ft (2.7 m).

Who owns Sth 59-STH 213-MAD over Allen Creek?

It is owned by the City or Municipal Highway Agency.