US Bridges

Curtis Road over Birch Run Creek

Good

Saginaw County, Michigan · 1.0 MI E of Tom Cresswell · Structure no. 000000000009218

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
130 ft
2 main spans
Daily traffic
331
2020 count
Owner
County
County Highway Agency

About this bridge

Curtis Road over Birch Run Creek is a prestressed concrete box beam or girders - multiple carrying Curtis Road over Birch Run Creek in Saginaw County, Michigan. It was built in 2004, so it is 21 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 331 vehicles a day, roughly 5% of them trucks, projected to reach 350 by 2030. The structure is 130 ft (39.7 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCurtis Road
CrossesBirch Run Creek
Location1.0 MI E of Tom Cresswell
RouteCounty Highway 0
Coordinates43.32186, -83.97461
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72.1 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length130 ft (39.7 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic331 (2020)
Projected traffic350 by 2030
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Curtis Road over Birch Run Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Curtis 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 November 2024.

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

About 331 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Curtis Road over Birch Run Creek?

The structure is 130 ft (39.7 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns Curtis Road over Birch Run Creek?

It is owned by the County Highway Agency.