US Bridges

Greenwood RD F-18 over Titabawassee River

Fair

Roscommon County, Michigan · Nester Twp Sec 26&35 · Structure no. 000000000013143

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
30 ft
4 main spans
Daily traffic
200
2002 count
Owner
County
County Highway Agency

About this bridge

Greenwood RD F-18 over Titabawassee River is a steel culvert carrying Greenwood RD F-18 over Titabawassee River in Roscommon County, Michigan. It was built in 1975, so it is 50 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 6 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 2,300 by 2022. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesGreenwood RD F-18
CrossesTitabawassee River
LocationNester Twp Sec 26&35
RouteCounty Highway 0
CountyRoscommon County
StateMichigan
Coordinates44.17521, -84.40148
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2002)
Projected traffic2,300 by 2022
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Greenwood RD F-18 over Titabawassee River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Greenwood RD F-18 over Titabawassee River 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 June 2024.

How much traffic does Greenwood RD F-18 over Titabawassee River carry?

About 200 vehicles per day (2002 count), of which roughly 6% are trucks.

How long is Greenwood RD F-18 over Titabawassee River?

The structure is 30 ft (9.1 m) long with a longest span of 6 ft (1.8 m).

Who owns Greenwood RD F-18 over Titabawassee River?

It is owned by the County Highway Agency.