US Bridges

Mason Road over E Br Red Cedar Riv Drn

Fair

Livingston County, Michigan · Sec 32 Howell Twp · Structure no. 000000000005815

Built
1983
42 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
6,131
2013 count
Owner
County
County Highway Agency

About this bridge

Mason Road over E Br Red Cedar Riv Drn is a steel culvert carrying Mason Road over E Br Red Cedar Riv Drn 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 6,131 vehicles a day, projected to reach 8,438 by 2014. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMason Road
CrossesE Br Red Cedar Riv Drn
LocationSec 32 Howell Twp
RouteCounty Highway 4750
CountyLivingston County
StateMichigan
Coordinates42.59969, -84.00731
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,131 (2013)
Projected traffic8,438 by 2014
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mason Road over E Br Red Cedar Riv Drn built?

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

What condition is Mason Road over E Br Red Cedar Riv Drn 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 Mason Road over E Br Red Cedar Riv Drn carry?

About 6,131 vehicles per day (2013 count).

How long is Mason Road over E Br Red Cedar Riv Drn?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.6 m).

Who owns Mason Road over E Br Red Cedar Riv Drn?

It is owned by the County Highway Agency.