US Bridges

Msas 179 over Chester Creek

Good

St. Louis County, Minnesota · 1.3 MI N of JCT TH 194 · Structure no. L6115

Built
1930
95 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
43 ft
1 main span
Daily traffic
1,274
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 179 over Chester Creek is a concrete slab carrying Msas 179 over Chester Creek in St. Louis 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,274 vehicles a day, roughly 4% of them trucks, projected to reach 2,250 by 2042. The structure is 43 ft (13 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 179
CrossesChester Creek
Location1.3 MI N of JCT TH 194
RouteCity Street 179
Coordinates46.81263, -92.09172
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating98.3 US tons
Inventory rating58.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13 m)
Longest span37 ft (11.2 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,274 (2022)
Projected traffic2,250 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$125 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 179 over Chester Creek built?

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

What condition is Msas 179 over Chester Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Msas 179 over Chester Creek carry?

About 1,274 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Msas 179 over Chester Creek?

The structure is 43 ft (13 m) long with a longest span of 37 ft (11.2 m) and a deck 35 ft wide.

Who owns Msas 179 over Chester Creek?

It is owned by the City or Municipal Highway Agency.