US Bridges

Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R

Fair

Milwaukee County, Wisconsin · 0.7 MI N JCT Sth 59 · Structure no. B40010800000000

Built
1961
64 years old, rebuilt 1985
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
161 ft
3 main spans
Daily traffic
12,650
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R is a steel continuous stringer/multi-beam or girder carrying Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R in Milwaukee County, Wisconsin. It was built in 1961 and reconstructed in 1985, so it is 64 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 12,650 vehicles a day, roughly 3% of them trucks, projected to reach 15,180 by 2042. The structure is 161 ft (49 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSth 100 Nb-S 108th
CrossesHast (abandoned Cmstpp R
Location0.7 MI N JCT Sth 59
RouteState Highway 100
CountyMilwaukee County
StateWisconsin
Coordinates43.02739, -88.04702
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 rating57.7 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49 m)
Longest span64 ft (19.5 m)
Deck width51 ft (15.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck22 ft (6.7 m)

Traffic and service

Average daily traffic12,650 (2022)
Projected traffic15,180 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
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$1.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1985.

What condition is Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R 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 Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R carry?

About 12,650 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R?

The structure is 161 ft (49 m) long with a longest span of 64 ft (19.5 m) and a deck 51 ft wide.

Who owns Sth 100 Nb-S 108th over Hast (abandoned Cmstpp R?

It is owned by the State Highway Agency.