US Bridges

IH 39 Nb/Ush 51 NB over Lrd Reserve ST

Good

Portage County, Wisconsin · 1.7M N JCT Sth 66 to E · Structure no. B49017200000000

Built
2015
10 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
130 ft
3 main spans
Daily traffic
13,200
2021 count
Owner
State
State Highway Agency

About this bridge

IH 39 Nb/Ush 51 NB over Lrd Reserve ST is a concrete slab carrying IH 39 Nb/Ush 51 NB over Lrd Reserve ST in Portage County, Wisconsin. It was built in 2015, so it is 10 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,200 vehicles a day, roughly 12% of them trucks, projected to reach 15,840 by 2041. The structure is 130 ft (39.6 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesIH 39 Nb/Ush 51 NB
CrossesLrd Reserve ST
Location1.7M N JCT Sth 66 to E
RouteInterstate 39
CountyPortage County
StateWisconsin
Coordinates44.54833, -89.56972
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length130 ft (39.6 m)
Longest span51 ft (15.5 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,200 (2021)
Projected traffic15,840 by 2041
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 39 Nb/Ush 51 NB over Lrd Reserve ST built?

It was built in 2015, making it 10 years old in 2025.

What condition is IH 39 Nb/Ush 51 NB over Lrd Reserve ST in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does IH 39 Nb/Ush 51 NB over Lrd Reserve ST carry?

About 13,200 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is IH 39 Nb/Ush 51 NB over Lrd Reserve ST?

The structure is 130 ft (39.6 m) long with a longest span of 51 ft (15.5 m) and a deck 47 ft wide.

Who owns IH 39 Nb/Ush 51 NB over Lrd Reserve ST?

It is owned by the State Highway Agency.