US Bridges

Cth S over Br Narrows Creek

Fair

Sauk County, Wisconsin · Town of Ironton · Structure no. B56014500000000

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
227
2024 count
Owner
County
County Highway Agency

About this bridge

Cth S over Br Narrows Creek is a wood or timber slab carrying Cth S over Br Narrows Creek in Sauk County, Wisconsin. It was built in 1997, so it is 28 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 227 vehicles a day, projected to reach 249 by 2043. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth S
CrossesBr Narrows Creek
LocationTown of Ironton
RouteCounty Highway 0S
CountySauk County
StateWisconsin
Coordinates43.46831, -90.0966
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic227 (2024)
Projected traffic249 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 S over Br Narrows Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cth S over Br Narrows 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 2024.

How much traffic does Cth S over Br Narrows Creek carry?

About 227 vehicles per day (2024 count).

How long is Cth S over Br Narrows Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns Cth S over Br Narrows Creek?

It is owned by the County Highway Agency.