US Bridges

Sth 30 EB over Lrd Fair Oaks Ave

Fair

Dane County, Wisconsin · 0.5M E JCT Ush 151 · Structure no. B13021100000000

Built
1964
61 years old, rebuilt 2009
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
144 ft
2 main spans
Daily traffic
18,650
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 30 EB over Lrd Fair Oaks Ave is a steel continuous stringer/multi-beam or girder carrying Sth 30 EB over Lrd Fair Oaks Ave in Dane County, Wisconsin. It was built in 1964 and reconstructed in 2009, so it is 61 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 18,650 vehicles a day, roughly 1% of them trucks, projected to reach 22,380 by 2042. The structure is 144 ft (43.9 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesSth 30 EB
CrossesLrd Fair Oaks Ave
Location0.5M E JCT Ush 151
RouteState Highway 30
CountyDane County
StateWisconsin
Coordinates43.10649, -89.33088
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,650 (2022)
Projected traffic22,380 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$901,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 30 EB over Lrd Fair Oaks Ave built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2009.

What condition is Sth 30 EB over Lrd Fair Oaks Ave 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 December 2023.

How much traffic does Sth 30 EB over Lrd Fair Oaks Ave carry?

About 18,650 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sth 30 EB over Lrd Fair Oaks Ave?

The structure is 144 ft (43.9 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns Sth 30 EB over Lrd Fair Oaks Ave?

It is owned by the State Highway Agency.