US Bridges

Maple Ridge Road over Rifle River

Fair

Arenac County, Michigan · 3 Miles East of Alger · Structure no. 000000000000438

Built
1963
62 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
204 ft
3 main spans
Daily traffic
1,311
2021 count
Owner
County
County Highway Agency

About this bridge

Maple Ridge Road over Rifle River is a steel stringer/multi-beam or girder carrying Maple Ridge Road over Rifle River in Arenac County, Michigan. It was built in 1963, so it is 62 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 5 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 1,311 vehicles a day, roughly 15% of them trucks, projected to reach 1,508 by 2041. The structure is 204 ft (62.2 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesMaple Ridge Road
CrossesRifle River
Location3 Miles East of Alger
RouteCounty Highway 690
CountyArenac County
StateMichigan
Coordinates44.14158, -84.04371
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length204 ft (62.2 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,311 (2021)
Projected traffic1,508 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$527,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Maple Ridge Road over Rifle River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Maple Ridge Road over Rifle 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 August 2023.

How much traffic does Maple Ridge Road over Rifle River carry?

About 1,311 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Maple Ridge Road over Rifle River?

The structure is 204 ft (62.2 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Maple Ridge Road over Rifle River?

It is owned by the County Highway Agency.