US Bridges

Warren Road over East Long Lake Channel

Poor

Branch County, Michigan · Ovid Twp Sec 23 · Structure no. 000000000001106

Built
1964
61 years old
Condition
Poor
inspected September 2024
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
660
2004 count
Owner
County
County Highway Agency

About this bridge

Warren Road over East Long Lake Channel is a wood or timber slab carrying Warren Road over East Long Lake Channel in Branch County, Michigan. It was built in 1964, so it is 61 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.

It carries about 660 vehicles a day, roughly 4% of them trucks, projected to reach 710 by 2024. The structure is 22 ft (6.7 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWarren Road
CrossesEast Long Lake Channel
LocationOvid Twp Sec 23
RouteCounty Highway 1271
Coordinates41.84161, -84.97896
Functional classRural Major Collector

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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating65 US tons
Inventory rating46.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2004)
Projected traffic710 by 2024
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$270,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Warren Road over East Long Lake Channel built?

It was built in 1964, making it 61 years old in 2025.

What condition is Warren Road over East Long Lake Channel 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 September 2024.

How much traffic does Warren Road over East Long Lake Channel carry?

About 660 vehicles per day (2004 count), of which roughly 4% are trucks.

How long is Warren Road over East Long Lake Channel?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.

Who owns Warren Road over East Long Lake Channel?

It is owned by the County Highway Agency.