US Bridges

Thayer Rd. over Sugar Creek Thayer RD

Fair

Allen County, Ohio · 0.13 MI S of State RD · Structure no. 0236918

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
845
2015 count
Owner
County
County Highway Agency

About this bridge

Thayer Rd. over Sugar Creek Thayer RD is a prestressed concrete box beam or girders - multiple carrying Thayer Rd. over Sugar Creek Thayer RD in Allen County, Ohio. It was built in 1969, so it is 56 years old, older than the Ohio average of 47.3 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 845 vehicles a day, roughly 7% of them trucks, projected to reach 1,173 by 2035. The structure is 49 ft (14.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesThayer Rd.
CrossesSugar Creek Thayer RD
Location0.13 MI S of State RD
RouteCounty Highway C0173
CountyAllen County
StateOhio
Coordinates40.81589, -84.01329
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span47 ft (14.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic845 (2015)
Projected traffic1,173 by 2035
Trucks7%
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 Thayer Rd. over Sugar Creek Thayer RD built?

It was built in 1969, making it 56 years old in 2025.

What condition is Thayer Rd. over Sugar Creek Thayer RD 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 September 2024.

How much traffic does Thayer Rd. over Sugar Creek Thayer RD carry?

About 845 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Thayer Rd. over Sugar Creek Thayer RD?

The structure is 49 ft (14.8 m) long with a longest span of 47 ft (14.2 m) and a deck 28 ft wide.

Who owns Thayer Rd. over Sugar Creek Thayer RD?

It is owned by the County Highway Agency.