US Bridges

Loomis Road over S Br Salt River

Fair

Isabella County, Michigan · 0.4 MI N of Beal City RD · Structure no. 000000000014011

Built
1971
54 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
42 ft
2 main spans
Daily traffic
50
2017 count
Owner
County
County Highway Agency

About this bridge

Loomis Road over S Br Salt River is a steel culvert carrying Loomis Road over S Br Salt River in Isabella County, Michigan. It was built in 1971, so it is 54 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 6 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2037. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLoomis Road
CrossesS Br Salt River
Location0.4 MI N of Beal City RD
RouteCounty Highway 0
CountyIsabella County
StateMichigan
Coordinates43.67556, -84.6678
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating37.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length42 ft (12.8 m)
Longest span19 ft (5.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2017)
Projected traffic60 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Loomis Road over S Br Salt River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Loomis Road over S Br Salt River 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 July 2023.

How much traffic does Loomis Road over S Br Salt River carry?

About 50 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Loomis Road over S Br Salt River?

The structure is 42 ft (12.8 m) long with a longest span of 19 ft (5.7 m).

Who owns Loomis Road over S Br Salt River?

It is owned by the County Highway Agency.