US Bridges

Murphy Lake Road over Perry Creek

Fair

Tuscola County, Michigan · Sec 2-11 Arbela Twp · Structure no. 000000000010549

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
90
2009 count
Owner
County
County Highway Agency

About this bridge

Murphy Lake Road over Perry Creek is a prestressed concrete tee beam carrying Murphy Lake Road over Perry Creek in Tuscola 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 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 90 vehicles a day, projected to reach 170 by 2029. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMurphy Lake Road
CrossesPerry Creek
LocationSec 2-11 Arbela Twp
RouteCounty Highway 0
CountyTuscola County
StateMichigan
Coordinates43.29545, -83.60702
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.8 US tons
Inventory rating30.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2009)
Projected traffic170 by 2029
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 Murphy Lake Road over Perry Creek built?

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

What condition is Murphy Lake Road over Perry Creek 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 2023.

How much traffic does Murphy Lake Road over Perry Creek carry?

About 90 vehicles per day (2009 count).

How long is Murphy Lake Road over Perry Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.7 m) and a deck 32 ft wide.

Who owns Murphy Lake Road over Perry Creek?

It is owned by the County Highway Agency.