US Bridges

Ar 4 over TH 5

Fair

Hennepin County, Minnesota · 1.6 MI SW of JCT TH 55 · Structure no. 9409

Built
1959
66 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
4 main spans
Daily traffic
4,900
2015 count
Owner
State
State Highway Agency

About this bridge

Ar 4 over TH 5 is a prestressed concrete stringer/multi-beam or girder carrying Ar 4 over TH 5 in Hennepin County, Minnesota. It was built in 1959, so it is 66 years old, older than the Minnesota average of 38.5 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 4,900 vehicles a day, projected to reach 4,900 by 2039. The structure is 229 ft (69.7 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAr 4
CrossesTH 5
Location1.6 MI SW of JCT TH 55
CountyHennepin County
StateMinnesota
Coordinates44.87036, -93.19849
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating97 US tons
Inventory rating38.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length229 ft (69.7 m)
Longest span79 ft (24.2 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2015)
Projected traffic4,900 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ar 4 over TH 5 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Ar 4 over TH 5 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 2023.

How much traffic does Ar 4 over TH 5 carry?

About 4,900 vehicles per day (2015 count).

How long is Ar 4 over TH 5?

The structure is 229 ft (69.7 m) long with a longest span of 79 ft (24.2 m) and a deck 39 ft wide.

Who owns Ar 4 over TH 5?

It is owned by the State Highway Agency.