US Bridges

Con 5129 over TH 100 SB

Fair

Hennepin County, Minnesota · At the JCT TH 394; 100 · Structure no. 27751A

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
2 main spans
Daily traffic
392
2021 count
Owner
State
State Highway Agency

About this bridge

Con 5129 over TH 100 SB is a steel continuous stringer/multi-beam or girder carrying Con 5129 over TH 100 SB in Hennepin County, Minnesota. It was built in 1989, so it is 36 years old, younger 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 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 392 vehicles a day, projected to reach 7,600 by 2041. The structure is 179 ft (54.6 m) long and 30 ft wide.

CarriesCon 5129
CrossesTH 100 SB
LocationAt the JCT TH 394; 100
RouteInterstate 5129
Coordinates44.9705, -93.34326
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating109.8 US tons
Inventory rating84.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length179 ft (54.6 m)
Longest span115 ft (35.2 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic392 (2021)
Projected traffic7,600 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo
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 Con 5129 over TH 100 SB built?

It was built in 1989, making it 36 years old in 2025.

What condition is Con 5129 over TH 100 SB 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 September 2024.

How much traffic does Con 5129 over TH 100 SB carry?

About 392 vehicles per day (2021 count).

How long is Con 5129 over TH 100 SB?

The structure is 179 ft (54.6 m) long with a longest span of 115 ft (35.2 m) and a deck 30 ft wide.

Who owns Con 5129 over TH 100 SB?

It is owned by the State Highway Agency.