US Bridges

Court Street over Augres River

Fair

Arenac County, Michigan · 0.2 MI S of Twining · Structure no. 000000000000475

Built
1925
100 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Concrete
Length
95 ft
1 main span
Daily traffic
145
1998 count
Owner
County
County Highway Agency

About this bridge

Court Street over Augres River is a concrete girder and floorbeam system carrying Court Street over Augres River in Arenac County, Michigan. It was built in 1925, so it is 100 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 145 vehicles a day, projected to reach 90 by 1977. The structure is 95 ft (28.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCourt Street
CrossesAugres River
Location0.2 MI S of Twining
RouteCounty Highway 0
CountyArenac County
StateMichigan
Coordinates44.10871, -83.69618
Functional classRural Minor 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
Deck9 ExcellentNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating101.7 US tons
Inventory rating67.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length95 ft (28.9 m)
Longest span90 ft (27.4 m)
Deck width27 ft (8.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (1998)
Projected traffic90 by 1977
Trucks0%
Lanes on structure2
Traffic directionTwo-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$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Court Street over Augres River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Court Street over Augres 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 Court Street over Augres River carry?

About 145 vehicles per day (1998 count).

How long is Court Street over Augres River?

The structure is 95 ft (28.9 m) long with a longest span of 90 ft (27.4 m) and a deck 27 ft wide.

Who owns Court Street over Augres River?

It is owned by the County Highway Agency.