US Bridges

Gunn Road over Cairl Ditch 0629

Good

Lucas County, Ohio · 0.13 M. S. of Garden Road · Structure no. 4832507

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
951
2015 count
Owner
County
County Highway Agency

About this bridge

Gunn Road over Cairl Ditch 0629 is a prestressed concrete box beam or girders - multiple carrying Gunn Road over Cairl Ditch 0629 in Lucas County, Ohio. It was built in 1992, so it is 33 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 951 vehicles a day, roughly 5% of them trucks, projected to reach 1,320 by 2035. The structure is 52 ft (15.9 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGunn Road
CrossesCairl Ditch 0629
Location0.13 M. S. of Garden Road
RouteCounty Highway C0099
StateOhio
Coordinates41.59371, -83.72774
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating102.2 US tons
Inventory rating61.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.9 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic951 (2015)
Projected traffic1,320 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Gunn Road over Cairl Ditch 0629 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Gunn Road over Cairl Ditch 0629 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 October 2024.

How much traffic does Gunn Road over Cairl Ditch 0629 carry?

About 951 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Gunn Road over Cairl Ditch 0629?

The structure is 52 ft (15.9 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns Gunn Road over Cairl Ditch 0629?

It is owned by the County Highway Agency.