US Bridges

Union City Road over Hog Creek

Fair

Branch County, Michigan · Union Twp Sec 24 · Structure no. 000000000001132

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
2 main spans
Daily traffic
2,422
2004 count
Owner
County
County Highway Agency

About this bridge

Union City Road over Hog Creek is a prestressed concrete box beam or girders - multiple carrying Union City Road over Hog Creek in Branch County, Michigan. It was built in 1980, so it is 45 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 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 2,422 vehicles a day, roughly 4% of them trucks, projected to reach 2,722 by 2024. The structure is 83 ft (25.3 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUnion City Road
CrossesHog Creek
LocationUnion Twp Sec 24
RouteCounty Highway 1257
Coordinates42.01535, -85.06288
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.6 US tons
Inventory rating36.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,422 (2004)
Projected traffic2,722 by 2024
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Union City Road over Hog Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Union City Road over Hog 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 October 2024.

How much traffic does Union City Road over Hog Creek carry?

About 2,422 vehicles per day (2004 count), of which roughly 4% are trucks.

How long is Union City Road over Hog Creek?

The structure is 83 ft (25.3 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns Union City Road over Hog Creek?

It is owned by the County Highway Agency.