US Bridges

Dunham Road over Ore Creek

PoorPosted for load

Livingston County, Michigan · Sec 15-22 Hartland Twp · Structure no. 000000000005872

Built
1923
102 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
20 ft
1 main span
Daily traffic
730
2013 count
Owner
County
County Highway Agency

About this bridge

Dunham Road over Ore Creek is a steel stringer/multi-beam or girder carrying Dunham Road over Ore Creek in Livingston County, Michigan. It was built in 1923, so it is 102 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 730 vehicles a day, projected to reach 800 by 2043. The structure is 20 ft (6.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDunham Road
CrossesOre Creek
LocationSec 15-22 Hartland Twp
RouteCounty Highway 0
Coordinates42.6479, -83.73568
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.3 US tons
Inventory rating17.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length20 ft (6.2 m)
Longest span18 ft (5.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2013)
Projected traffic800 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Dunham Road over Ore Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Dunham Road over Ore Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Dunham Road over Ore Creek carry?

About 730 vehicles per day (2013 count).

How long is Dunham Road over Ore Creek?

The structure is 20 ft (6.2 m) long with a longest span of 18 ft (5.4 m) and a deck 26 ft wide.

Who owns Dunham Road over Ore Creek?

It is owned by the County Highway Agency.