US Bridges

IH Ush 51-IH 39 over Chapman Creek

Fair

Marquette County, Wisconsin · 2.5M N JCT Sth 23 to W · Structure no. B39002300000000

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
17,800
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ush 51-IH 39 over Chapman Creek is a concrete culvert carrying IH Ush 51-IH 39 over Chapman Creek in Marquette County, Wisconsin. It was built in 1985, so it is 40 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 17,800 vehicles a day, roughly 20% of them trucks, projected to reach 21,360 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesIH Ush 51-IH 39
CrossesChapman Creek
Location2.5M N JCT Sth 23 to W
RouteInterstate 39
CountyMarquette County
StateWisconsin
Coordinates43.73522, -89.48434
Functional classRural Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 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
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2022)
Projected traffic21,360 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH Ush 51-IH 39 over Chapman Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is IH Ush 51-IH 39 over Chapman 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 April 2024.

How much traffic does IH Ush 51-IH 39 over Chapman Creek carry?

About 17,800 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is IH Ush 51-IH 39 over Chapman Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns IH Ush 51-IH 39 over Chapman Creek?

It is owned by the State Highway Agency.