US Bridges

Loomis RD over N Br Salt River

Good

Isabella County, Michigan · 900 Ft S of Battle RD · Structure no. 000000000014166

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
423
2016 count
Owner
County
County Highway Agency

About this bridge

Loomis RD over N Br Salt River is a prestressed concrete box beam or girders - single or spread carrying Loomis RD over N Br Salt River in Isabella County, Michigan. It was built in 2021, so it is 4 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 423 vehicles a day, projected to reach 516 by 2036. The structure is 50 ft (15.2 m) long and 35 ft wide.

CarriesLoomis RD
CrossesN Br Salt River
Location900 Ft S of Battle RD
RouteCounty Highway 0
Coordinates43.7404, -84.6672
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic423 (2016)
Projected traffic516 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 RD over N Br Salt River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Loomis RD over N Br Salt River 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 July 2023.

How much traffic does Loomis RD over N Br Salt River carry?

About 423 vehicles per day (2016 count).

How long is Loomis RD over N Br Salt River?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 35 ft wide.

Who owns Loomis RD over N Br Salt River?

It is owned by the County Highway Agency.