US Bridges

T 40 over Center Creek

PoorPosted for load

Martin County, Minnesota · 0.6 MI N of JCT TH 90 · Structure no. L7218

Built
1918
107 years old
Condition
Poor
inspected October 2024
Type
Girder and Floorbeam System
Concrete
Length
44 ft
1 main span
Daily traffic
58
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 40 over Center Creek is a concrete girder and floorbeam system carrying T 40 over Center Creek in Martin County, Minnesota. It was built in 1918, so it is 107 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 58 vehicles a day, projected to reach 48 by 2042. The structure is 44 ft (13.4 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 40
CrossesCenter Creek
Location0.6 MI N of JCT TH 90
RouteCounty Highway 40
Coordinates43.67916, -94.408
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating25.2 US tons
Inventory rating14.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2022)
Projected traffic48 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$80 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 40 over Center Creek built?

It was built in 1918, making it 107 years old in 2025.

What condition is T 40 over Center Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does T 40 over Center Creek carry?

About 58 vehicles per day (2022 count).

How long is T 40 over Center Creek?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 19 ft wide.

Who owns T 40 over Center Creek?

It is owned by the Town or Township Highway Agency.