US Bridges

Cth a over N Br Crawfish River

FairPosted for load

Columbia County, Wisconsin · 0.7M N JCT Sth 16 · Structure no. P11091300000000

Built
1928
97 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
630
2021 count
Owner
County
County Highway Agency

About this bridge

Cth a over N Br Crawfish River is a concrete slab carrying Cth a over N Br Crawfish River in Columbia County, Wisconsin. It was built in 1928, so it is 97 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. Its operating status is: posted for other load-capacity restriction.

It carries about 630 vehicles a day, projected to reach 756 by 2041. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth a
CrossesN Br Crawfish River
Location0.7M N JCT Sth 16
RouteCounty Highway 0A
CountyColumbia County
StateWisconsin
Coordinates43.41196, -89.14528
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2021)
Projected traffic756 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 a over N Br Crawfish River built?

It was built in 1928, making it 97 years old in 2025.

What condition is Cth a over N Br Crawfish River 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 2024.

How much traffic does Cth a over N Br Crawfish River carry?

About 630 vehicles per day (2021 count).

How long is Cth a over N Br Crawfish River?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.5 m) and a deck 30 ft wide.

Who owns Cth a over N Br Crawfish River?

It is owned by the County Highway Agency.