US Bridges

Morrish Road over Alger Creek

Poor

Genesee County, Michigan · Bet Grand Blanc & Reid RD · Structure no. 000000000002736

Built
1928
97 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
3,044
2018 count
Owner
County
County Highway Agency

About this bridge

Morrish Road over Alger Creek is a concrete tee beam carrying Morrish Road over Alger Creek in Genesee County, Michigan. It was built in 1928, so it is 97 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 3,044 vehicles a day, roughly 5% of them trucks, projected to reach 5,498 by 2038. The structure is 27 ft (8.2 m) long and 38 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesMorrish Road
CrossesAlger Creek
LocationBet Grand Blanc & Reid RD
RouteCounty Highway 0
Coordinates42.92055, -83.83058
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,044 (2018)
Projected traffic5,498 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$88,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Morrish Road over Alger Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is Morrish Road over Alger Creek 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 November 2024.

How much traffic does Morrish Road over Alger Creek carry?

About 3,044 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Morrish Road over Alger Creek?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 38 ft wide.

Who owns Morrish Road over Alger Creek?

It is owned by the County Highway Agency.