US Bridges

Nine Mile Road over Lime Kiln Lake Inlet

Fair

Livingston County, Michigan · Sec 27-34 Green Oak Twp · Structure no. 000000000005808

Built
1983
42 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
6,440
2020 count
Owner
County
County Highway Agency

About this bridge

Nine Mile Road over Lime Kiln Lake Inlet is a steel culvert carrying Nine Mile Road over Lime Kiln Lake Inlet in Livingston County, Michigan. It was built in 1983, so it is 42 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 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 6,440 vehicles a day, projected to reach 7,728 by 2040. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNine Mile Road
CrossesLime Kiln Lake Inlet
LocationSec 27-34 Green Oak Twp
RouteCounty Highway 4793
CountyLivingston County
StateMichigan
Coordinates42.44419, -83.70911
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length20 ft (6.2 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,440 (2020)
Projected traffic7,728 by 2040
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nine Mile Road over Lime Kiln Lake Inlet built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nine Mile Road over Lime Kiln Lake Inlet 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 July 2023.

How much traffic does Nine Mile Road over Lime Kiln Lake Inlet carry?

About 6,440 vehicles per day (2020 count).

How long is Nine Mile Road over Lime Kiln Lake Inlet?

The structure is 20 ft (6.2 m) long with a longest span of 9 ft (2.7 m).

Who owns Nine Mile Road over Lime Kiln Lake Inlet?

It is owned by the County Highway Agency.