US Bridges

Sth 16 over Silver Creek

Fair

Dodge County, Wisconsin · 1.9M E JCT Cth Q · Structure no. B14004200000000

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
6,300
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 16 over Silver Creek is a concrete continuous culvert carrying Sth 16 over Silver Creek in Dodge County, Wisconsin. It was built in 1960, so it is 65 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 6,300 vehicles a day, roughly 9% of them trucks, projected to reach 7,560 by 2041. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSth 16
CrossesSilver Creek
Location1.9M E JCT Cth Q
RouteState Highway 16
Coordinates43.21688, -88.73245
Functional classUrban Other Principal 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 length34 ft (10.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2021)
Projected traffic7,560 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 16 over Silver Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Sth 16 over Silver 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 July 2024.

How much traffic does Sth 16 over Silver Creek carry?

About 6,300 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Sth 16 over Silver Creek?

The structure is 34 ft (10.5 m) long with a longest span of 10 ft (3 m).

Who owns Sth 16 over Silver Creek?

It is owned by the State Highway Agency.