US Bridges

Cth G over Miller Creek

Fair

Shawano County, Wisconsin · 2.0M W JCT Cth Vv · Structure no. B58001800000000

Built
1958
67 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
1,100
2022 count
Owner
County
County Highway Agency

About this bridge

Cth G over Miller Creek is a prestressed concrete box beam or girders - multiple carrying Cth G over Miller Creek in Shawano County, Wisconsin. It was built in 1958, so it is 67 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 5 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 1,100 vehicles a day, projected to reach 1,320 by 2042. The structure is 38 ft (11.7 m) long and 33 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesCth G
CrossesMiller Creek
Location2.0M W JCT Cth Vv
RouteCounty Highway 0G
Coordinates44.87028, -88.78472
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97.2 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length38 ft (11.7 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,320 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth G over Miller Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Cth G over Miller 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 August 2023.

How much traffic does Cth G over Miller Creek carry?

About 1,100 vehicles per day (2022 count).

How long is Cth G over Miller Creek?

The structure is 38 ft (11.7 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Cth G over Miller Creek?

It is owned by the County Highway Agency.