US Bridges

US-23 SB over N Br Ten Mile Creek

Fair

Monroe County, Michigan · 2.0 MI N Ohio State Line · Structure no. 000000000007092

Built
1959
66 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
18,124
2007 count
Owner
State
State Highway Agency

About this bridge

US-23 SB over N Br Ten Mile Creek is a concrete tee beam carrying US-23 SB over N Br Ten Mile Creek in Monroe County, Michigan. It was built in 1959, so it is 66 years old, older than the Michigan average of 48.3 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 18,124 vehicles a day, roughly 14% of them trucks, projected to reach 24,785 by 2018. The structure is 32 ft (9.7 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-23 SB
CrossesN Br Ten Mile Creek
Location2.0 MI N Ohio State Line
RouteU.S. Route 23
Coordinates41.75496, -83.6947
Functional classRural Principal Arterial - Other

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span32 ft (9.7 m)
Deck width47 ft (14.4 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,124 (2007)
Projected traffic24,785 by 2018
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-23 SB over N Br Ten Mile Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is US-23 SB over N Br Ten Mile 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 April 2023.

How much traffic does US-23 SB over N Br Ten Mile Creek carry?

About 18,124 vehicles per day (2007 count), of which roughly 14% are trucks.

How long is US-23 SB over N Br Ten Mile Creek?

The structure is 32 ft (9.7 m) long with a longest span of 32 ft (9.7 m) and a deck 47 ft wide.

Who owns US-23 SB over N Br Ten Mile Creek?

It is owned by the State Highway Agency.