US Bridges

T 348 over Simian Creek

Fair

St. Louis County, Minnesota · 0.7 MI N of JCT Csah 80 · Structure no. 96503

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
6
1987 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 348 over Simian Creek is a concrete culvert carrying T 348 over Simian Creek in St. Louis County, Minnesota. It was built in 1987, so it is 38 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 6 vehicles a day, projected to reach 6 by 2029. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 123 mi (198 km).

CarriesT 348
CrossesSimian Creek
Location0.7 MI N of JCT Csah 80
RouteCounty Highway 348
Coordinates46.80427, -92.51369
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span6 ft (1.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6 (1987)
Projected traffic6 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 348 over Simian Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is T 348 over Simian Creek 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 2024.

How much traffic does T 348 over Simian Creek carry?

About 6 vehicles per day (1987 count).

How long is T 348 over Simian Creek?

The structure is 25 ft (7.5 m) long with a longest span of 6 ft (1.7 m).

Who owns T 348 over Simian Creek?

It is owned by the Town or Township Highway Agency.