US Bridges

Highwood Road over Tittabawasee River

PoorPosted for load

Gladwin County, Michigan · 3.5 MI E of M 30 · Structure no. 000000000002902

Built
1984
41 years old
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
495
2000 count
Owner
County
County Highway Agency

About this bridge

Highwood Road over Tittabawasee River is a prestressed concrete box beam or girders - multiple carrying Highwood Road over Tittabawasee River in Gladwin County, Michigan. It was built in 1984, so it is 41 years old, younger 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 495 vehicles a day, roughly 10% of them trucks, projected to reach 693 by 2020. The structure is 141 ft (42.9 m) long and 37 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesHighwood Road
CrossesTittabawasee River
Location3.5 MI E of M 30
RouteCounty Highway 2638
Coordinates43.92779, -84.29996
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length141 ft (42.9 m)
Longest span47 ft (14.3 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic495 (2000)
Projected traffic693 by 2020
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Highwood Road over Tittabawasee River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Highwood Road over Tittabawasee River 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 March 2024.

How much traffic does Highwood Road over Tittabawasee River carry?

About 495 vehicles per day (2000 count), of which roughly 10% are trucks.

How long is Highwood Road over Tittabawasee River?

The structure is 141 ft (42.9 m) long with a longest span of 47 ft (14.3 m) and a deck 37 ft wide.

Who owns Highwood Road over Tittabawasee River?

It is owned by the County Highway Agency.