US Bridges

Msas 139 over Robert Street (952A)

Fair

Ramsey County, Minnesota · 0.1 MI S of Concord ST · Structure no. 90381

Built
1930
95 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
5,900
2014 count
Owner
State
State Highway Agency

About this bridge

Msas 139 over Robert Street (952A) is a concrete frame carrying Msas 139 over Robert Street (952A) in Ramsey County, Minnesota. It was built in 1930, so it is 95 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 5,900 vehicles a day, projected to reach 5,900 by 2039. The structure is 44 ft (13.3 m) long and 60 ft wide.

CarriesMsas 139
CrossesRobert Street (952A)
Location0.1 MI S of Concord ST
RouteCity Street 139
Coordinates44.92971, -93.08076
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length44 ft (13.3 m)
Longest span39 ft (12 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2014)
Projected traffic5,900 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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$264 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Msas 139 over Robert Street (952A) built?

It was built in 1930, making it 95 years old in 2025.

What condition is Msas 139 over Robert Street (952A) 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 2023.

How much traffic does Msas 139 over Robert Street (952A) carry?

About 5,900 vehicles per day (2014 count).

How long is Msas 139 over Robert Street (952A)?

The structure is 44 ft (13.3 m) long with a longest span of 39 ft (12 m) and a deck 60 ft wide.

Who owns Msas 139 over Robert Street (952A)?

It is owned by the State Highway Agency.