US Bridges

Olney Road over Nottawa Creek

Good

St. Joseph County, Michigan · 3.5 MI E of Mendon · Structure no. 000000000010384

Built
1984
41 years old
Condition
Good
inspected November 2023
Type
Slab
Wood or Timber
Length
88 ft
4 main spans
Daily traffic
233
2003 count
Owner
County
County Highway Agency

About this bridge

Olney Road over Nottawa Creek is a wood or timber slab carrying Olney Road over Nottawa Creek in St. Joseph County, Michigan. It was built in 1984, so it is 41 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 233 vehicles a day, roughly 5% of them trucks, projected to reach 279 by 2023. The structure is 88 ft (26.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOlney Road
CrossesNottawa Creek
Location3.5 MI E of Mendon
RouteCounty Highway 0
Coordinates42.01309, -85.38132
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.2 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length88 ft (26.8 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic233 (2003)
Projected traffic279 by 2023
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Olney Road over Nottawa Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Olney Road over Nottawa 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 November 2023.

How much traffic does Olney Road over Nottawa Creek carry?

About 233 vehicles per day (2003 count), of which roughly 5% are trucks.

How long is Olney Road over Nottawa Creek?

The structure is 88 ft (26.8 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns Olney Road over Nottawa Creek?

It is owned by the County Highway Agency.