US Bridges

Msas 277 over TH 100; Ramps

Fair

Hennepin County, Minnesota · 0.4 MI S of JCT TH 7 · Structure no. 27109

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
291 ft
2 main spans
Daily traffic
12,600
2017 count
Owner
State
State Highway Agency

About this bridge

Msas 277 over TH 100; Ramps is a steel continuous stringer/multi-beam or girder carrying Msas 277 over TH 100; Ramps in Hennepin County, Minnesota. It was built in 1984, so it is 41 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 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 12,600 vehicles a day, projected to reach 12,600 by 2039. The structure is 291 ft (88.8 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 277
CrossesTH 100; Ramps
Location0.4 MI S of JCT TH 7
RouteCity Street 277
Coordinates44.93776, -93.34922
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.7 US tons
Inventory rating55.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length291 ft (88.8 m)
Longest span153 ft (46.6 m)
Deck width94 ft (28.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2017)
Projected traffic12,600 by 2039
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Msas 277 over TH 100; Ramps built?

It was built in 1984, making it 41 years old in 2025.

What condition is Msas 277 over TH 100; Ramps 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 May 2023.

How much traffic does Msas 277 over TH 100; Ramps carry?

About 12,600 vehicles per day (2017 count).

How long is Msas 277 over TH 100; Ramps?

The structure is 291 ft (88.8 m) long with a longest span of 153 ft (46.6 m) and a deck 94 ft wide.

Who owns Msas 277 over TH 100; Ramps?

It is owned by the State Highway Agency.