US Bridges

Sergent Road over Dead Creek

FairPosted for load

Tuscola County, Michigan · Sec 7 Arbela Twp · Structure no. 000000000010548

Built
1979
46 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
80
2009 count
Owner
County
County Highway Agency

About this bridge

Sergent Road over Dead Creek is a steel culvert carrying Sergent Road over Dead Creek in Tuscola County, Michigan. It was built in 1979, so it is 46 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 150 by 2029. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSergent Road
CrossesDead Creek
LocationSec 7 Arbela Twp
RouteCounty Highway 0
Coordinates43.28757, -83.69546
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25 US tons
Inventory rating17.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2009)
Projected traffic150 by 2029
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Sergent Road over Dead Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Sergent Road over Dead 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 June 2024.

How much traffic does Sergent Road over Dead Creek carry?

About 80 vehicles per day (2009 count).

How long is Sergent Road over Dead Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns Sergent Road over Dead Creek?

It is owned by the County Highway Agency.