US Bridges

Byrnwyk Rd. West over Swan Creek 3101

Fair

Lucas County, Ohio · 0.01 Mi. N. of Mill Ridge · Structure no. 4831691

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
1,949
2015 count
Owner
County
County Highway Agency

About this bridge

Byrnwyk Rd. West over Swan Creek 3101 is a prestressed concrete box beam or girders - multiple carrying Byrnwyk Rd. West over Swan Creek 3101 in Lucas County, Ohio. It was built in 1973, so it is 52 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 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 1,949 vehicles a day, roughly 5% of them trucks, projected to reach 2,705 by 2035. The structure is 148 ft (45.1 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesByrnwyk Rd. West
CrossesSwan Creek 3101
Location0.01 Mi. N. of Mill Ridge
RouteCounty Highway 2104
CountyLucas County
StateOhio
Coordinates41.58871, -83.70041
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length148 ft (45.1 m)
Longest span49 ft (14.9 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,949 (2015)
Projected traffic2,705 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Byrnwyk Rd. West over Swan Creek 3101 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Byrnwyk Rd. West over Swan Creek 3101 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 Byrnwyk Rd. West over Swan Creek 3101 carry?

About 1,949 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Byrnwyk Rd. West over Swan Creek 3101?

The structure is 148 ft (45.1 m) long with a longest span of 49 ft (14.9 m) and a deck 31 ft wide.

Who owns Byrnwyk Rd. West over Swan Creek 3101?

It is owned by the County Highway Agency.