US Bridges

Cth a over Union Pacific RR

PoorClosed to traffic

Columbia County, Wisconsin · 1.0M W JCT Sth 73 · Structure no. P11003300000000

Built
1910
115 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
112 ft
8 main spans
Daily traffic
197
2022 count
Owner
Railroad
Railroad

About this bridge

Cth a over Union Pacific RR is a wood or timber stringer/multi-beam or girder carrying Cth a over Union Pacific RR in Columbia County, Wisconsin. It was built in 1910, so it is 115 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 197 vehicles a day, projected to reach 216 by 2043. The structure is 112 ft (34.1 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCth a
CrossesUnion Pacific RR
Location1.0M W JCT Sth 73
RouteCounty Highway 0A
CountyColumbia County
StateWisconsin
Coordinates43.52634, -89.02486
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5.4 US tons
Inventory rating3.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans8
Design loadH 15
Structure length112 ft (34.1 m)
Longest span24 ft (7.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic197 (2022)
Projected traffic216 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$548,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth a over Union Pacific RR built?

It was built in 1910, making it 115 years old in 2025.

What condition is Cth a over Union Pacific RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Cth a over Union Pacific RR carry?

About 197 vehicles per day (2022 count).

How long is Cth a over Union Pacific RR?

The structure is 112 ft (34.1 m) long with a longest span of 24 ft (7.2 m) and a deck 26 ft wide.

Who owns Cth a over Union Pacific RR?

It is owned by the Railroad.