US Bridges

Lrd E Johnson ST over Yahara River

Fair

Dane County, Wisconsin · 0.2M N JCT Ush 151 · Structure no. P13072800000000

Built
1925
100 years old
Condition
Fair
inspected October 2024
Type
Arch - Deck
Concrete
Length
92 ft
1 main span
Daily traffic
24,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd E Johnson ST over Yahara River is a concrete arch - deck carrying Lrd E Johnson ST over Yahara River in Dane County, Wisconsin. It was built in 1925, so it is 100 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 24,100 vehicles a day, projected to reach 28,920 by 2042. The structure is 92 ft (28 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLrd E Johnson ST
CrossesYahara River
Location0.2M N JCT Ush 151
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates43.092, -89.36533
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating44.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length92 ft (28 m)
Longest span69 ft (20.9 m)
Deck width62 ft (18.9 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,100 (2022)
Projected traffic28,920 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$780,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd E Johnson ST over Yahara River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Lrd E Johnson ST over Yahara 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 October 2024.

How much traffic does Lrd E Johnson ST over Yahara River carry?

About 24,100 vehicles per day (2022 count).

How long is Lrd E Johnson ST over Yahara River?

The structure is 92 ft (28 m) long with a longest span of 69 ft (20.9 m) and a deck 62 ft wide.

Who owns Lrd E Johnson ST over Yahara River?

It is owned by the City or Municipal Highway Agency.