US Bridges

Lehman Road over Big Creek a Drain

Fair

Arenac County, Michigan · 0.4 MI S of Townsend · Structure no. 000000000000467

Built
1974
51 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
135
1998 count
Owner
County
County Highway Agency

About this bridge

Lehman Road over Big Creek a Drain is a wood or timber slab carrying Lehman Road over Big Creek a Drain in Arenac County, Michigan. It was built in 1974, so it is 51 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 135 vehicles a day, projected to reach 80 by 1977. The structure is 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLehman Road
CrossesBig Creek a Drain
Location0.4 MI S of Townsend
RouteCounty Highway 0
CountyArenac County
StateMichigan
Coordinates44.09239, -83.82708
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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (1998)
Projected traffic80 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lehman Road over Big Creek a Drain built?

It was built in 1974, making it 51 years old in 2025.

What condition is Lehman Road over Big Creek a Drain 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 2024.

How much traffic does Lehman Road over Big Creek a Drain carry?

About 135 vehicles per day (1998 count).

How long is Lehman Road over Big Creek a Drain?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Lehman Road over Big Creek a Drain?

It is owned by the County Highway Agency.