US Bridges

Msas 115 over BNSF RR

Fair

St. Louis County, Minnesota · 0.2 MI E of JCT TH 23 · Structure no. 69812

Built
1966
59 years old, rebuilt 2011
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
4 main spans
Daily traffic
2,050
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 115 over BNSF RR is a steel continuous stringer/multi-beam or girder carrying Msas 115 over BNSF RR in St. Louis County, Minnesota. It was built in 1966 and reconstructed in 2011, so it is 59 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 2,050 vehicles a day, projected to reach 1,950 by 2038. The structure is 232 ft (70.6 m) long and 41 ft wide. If it were closed, the detour would be 123 mi (198 km).

Location

Open in Google Maps
CarriesMsas 115
CrossesBNSF RR
Location0.2 MI E of JCT TH 23
RouteCity Street 115
CountySt. Louis County
StateMinnesota
Coordinates46.75881, -92.12786
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating62.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length232 ft (70.6 m)
Longest span69 ft (20.9 m)
Deck width41 ft (12.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2018)
Projected traffic1,950 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 115 over BNSF RR built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2011.

What condition is Msas 115 over BNSF RR 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 Msas 115 over BNSF RR carry?

About 2,050 vehicles per day (2018 count).

How long is Msas 115 over BNSF RR?

The structure is 232 ft (70.6 m) long with a longest span of 69 ft (20.9 m) and a deck 41 ft wide.

Who owns Msas 115 over BNSF RR?

It is owned by the City or Municipal Highway Agency.