US Bridges

Cth Ms / Universit over Lrd Old Middleton RD

Fair

Dane County, Wisconsin · 1.5M E JCT Cth Q · Structure no. B13095200000000

Built
1934
91 years old, rebuilt 1977
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Steel
Length
578 ft
7 main spans
Daily traffic
29,600
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Ms / Universit over Lrd Old Middleton RD is a steel girder and floorbeam system carrying Cth Ms / Universit over Lrd Old Middleton RD in Dane County, Wisconsin. It was built in 1934 and reconstructed in 1977, so it is 91 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 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 29,600 vehicles a day, projected to reach 35,520 by 2042. The structure is 578 ft (176.2 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCth Ms / Universit
CrossesLrd Old Middleton RD
Location1.5M E JCT Cth Q
RouteCounty Highway 0MS
CountyDane County
StateWisconsin
Coordinates43.07517, -89.46342
Functional classUrban Other Principal Arterial

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length578 ft (176.2 m)
Longest span102 ft (31.2 m)
Deck width52 ft (16 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,600 (2022)
Projected traffic35,520 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth Ms / Universit over Lrd Old Middleton RD built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1977.

What condition is Cth Ms / Universit over Lrd Old Middleton RD 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 October 2024.

How much traffic does Cth Ms / Universit over Lrd Old Middleton RD carry?

About 29,600 vehicles per day (2022 count).

How long is Cth Ms / Universit over Lrd Old Middleton RD?

The structure is 578 ft (176.2 m) long with a longest span of 102 ft (31.2 m) and a deck 52 ft wide.

Who owns Cth Ms / Universit over Lrd Old Middleton RD?

It is owned by the County Highway Agency.