US Bridges

Pettit Road over Birch Run Creek

Good

Saginaw County, Michigan · 0.4 MI N of Busch Road · Structure no. 000000000009422

Built
1990
35 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
224
2007 count
Owner
County
County Highway Agency

About this bridge

Pettit Road over Birch Run Creek is a concrete culvert carrying Pettit Road over Birch Run Creek in Saginaw County, Michigan. It was built in 1990, so it is 35 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 224 vehicles a day, roughly 5% of them trucks, projected to reach 235 by 2017. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPettit Road
CrossesBirch Run Creek
Location0.4 MI N of Busch Road
RouteCounty Highway 0
Coordinates43.30052, -83.87456
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2007)
Projected traffic235 by 2017
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pettit Road over Birch Run Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Pettit Road over Birch Run Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Pettit Road over Birch Run Creek carry?

About 224 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is Pettit Road over Birch Run Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m).

Who owns Pettit Road over Birch Run Creek?

It is owned by the County Highway Agency.