US Bridges

Hunter Road over E Br Bird Creek DR

Fair

Huron County, Michigan · Sec. 31 Port Austin Twp. · Structure no. 000000000003636

Built
1978
47 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
180
2009 count
Owner
County
County Highway Agency

About this bridge

Hunter Road over E Br Bird Creek DR is a prestressed concrete tee beam carrying Hunter Road over E Br Bird Creek DR in Huron County, Michigan. It was built in 1978, so it is 47 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 180 vehicles a day, projected to reach 325 by 2029. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesHunter Road
CrossesE Br Bird Creek DR
LocationSec. 31 Port Austin Twp.
RouteCounty Highway 0
Coordinates44.02639, -82.98936
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.9 US tons
Inventory rating52 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.5 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2009)
Projected traffic325 by 2029
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hunter Road over E Br Bird Creek DR built?

It was built in 1978, making it 47 years old in 2025.

What condition is Hunter Road over E Br Bird Creek DR 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 August 2023.

How much traffic does Hunter Road over E Br Bird Creek DR carry?

About 180 vehicles per day (2009 count).

How long is Hunter Road over E Br Bird Creek DR?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.5 m) and a deck 32 ft wide.

Who owns Hunter Road over E Br Bird Creek DR?

It is owned by the County Highway Agency.