US Bridges

Sth 49 over Mosquito CR

Good

Waushara County, Wisconsin · 0.5 MI N JCT Cth I · Structure no. B69004300000000

Built
2010
15 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 49 over Mosquito CR is a concrete slab carrying Sth 49 over Mosquito CR in Waushara County, Wisconsin. It was built in 2010, so it is 15 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 3,900 vehicles a day, roughly 5% of them trucks, projected to reach 4,900 by 2042. The structure is 35 ft (10.8 m) long and 50 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesSth 49
CrossesMosquito CR
Location0.5 MI N JCT Cth I
RouteState Highway 49
CountyWaushara County
StateWisconsin
Coordinates44.24078, -88.92708
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.8 m)
Longest span33 ft (10.1 m)
Deck width50 ft (15.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2022)
Projected traffic4,900 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 49 over Mosquito CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sth 49 over Mosquito CR 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 July 2023.

How much traffic does Sth 49 over Mosquito CR carry?

About 3,900 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 49 over Mosquito CR?

The structure is 35 ft (10.8 m) long with a longest span of 33 ft (10.1 m) and a deck 50 ft wide.

Who owns Sth 49 over Mosquito CR?

It is owned by the State Highway Agency.