US Bridges

Exeter Road over Swan Creek

Good

Monroe County, Michigan · 0.3 MI S of Newburg Road · Structure no. 000000000007308

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
110
2017 count
Owner
County
County Highway Agency

About this bridge

Exeter Road over Swan Creek is a concrete culvert carrying Exeter Road over Swan Creek in Monroe County, Michigan. It was built in 2002, so it is 23 years old, younger than the Michigan average of 48.3 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 110 vehicles a day, roughly 20% of them trucks, projected to reach 127 by 2037. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesExeter Road
CrossesSwan Creek
Location0.3 MI S of Newburg Road
RouteCounty Highway 0
Coordinates42.07439, -83.42039
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span28 ft (8.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2017)
Projected traffic127 by 2037
Trucks20%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 Exeter Road over Swan Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Exeter Road over Swan 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 2023.

How much traffic does Exeter Road over Swan Creek carry?

About 110 vehicles per day (2017 count), of which roughly 20% are trucks.

How long is Exeter Road over Swan Creek?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.6 m).

Who owns Exeter Road over Swan Creek?

It is owned by the County Highway Agency.