US Bridges

Hamburg Road over South Ore Creek

Fair

Livingston County, Michigan · Sec 12 Hamburg Twp · Structure no. 000000000005839

Built
2003
22 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
5,013
2015 count
Owner
County
County Highway Agency

About this bridge

Hamburg Road over South Ore Creek is a prestressed concrete box beam or girders - multiple carrying Hamburg Road over South Ore Creek in Livingston County, Michigan. It was built in 2003, so it is 22 years old, younger 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 5,013 vehicles a day, roughly 2% of them trucks, projected to reach 5,270 by 2035. The structure is 120 ft (36.5 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHamburg Road
CrossesSouth Ore Creek
LocationSec 12 Hamburg Twp
RouteCounty Highway 4771
CountyLivingston County
StateMichigan
Coordinates42.49769, -83.80218
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating107.1 US tons
Inventory rating68.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length120 ft (36.5 m)
Longest span116 ft (35.3 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,013 (2015)
Projected traffic5,270 by 2035
Trucks2%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamburg Road over South Ore Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Hamburg Road over South Ore Creek 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 November 2024.

How much traffic does Hamburg Road over South Ore Creek carry?

About 5,013 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Hamburg Road over South Ore Creek?

The structure is 120 ft (36.5 m) long with a longest span of 116 ft (35.3 m) and a deck 45 ft wide.

Who owns Hamburg Road over South Ore Creek?

It is owned by the County Highway Agency.