US Bridges

Moore Road over East Br Pigeon River

FairPosted for load

Huron County, Michigan · Sec 13-14 Grant Twp · Structure no. 000000000003602

Built
1925
100 years old, rebuilt 1962
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
31
2016 count
Owner
County
County Highway Agency

About this bridge

Moore Road over East Br Pigeon River is a steel stringer/multi-beam or girder carrying Moore Road over East Br Pigeon River in Huron County, Michigan. It was built in 1925 and reconstructed in 1962, 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 31 vehicles a day, roughly 1% of them trucks, projected to reach 56 by 2036. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMoore Road
CrossesEast Br Pigeon River
LocationSec 13-14 Grant Twp
RouteCounty Highway 0
Coordinates43.72284, -83.13915
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating30.1 US tons
Inventory rating18.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2016)
Projected traffic56 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$446,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Moore Road over East Br Pigeon River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1962.

What condition is Moore Road over East Br Pigeon 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 September 2023.

How much traffic does Moore Road over East Br Pigeon River carry?

About 31 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Moore Road over East Br Pigeon River?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 22 ft wide.

Who owns Moore Road over East Br Pigeon River?

It is owned by the County Highway Agency.