US Bridges

Willmsprt-Blomgrv over I-71

Good

Morrow County, Ohio · 6.09 MI N of SR229 · Structure no. 5901413

Built
1959
66 years old, rebuilt 2008
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
442 ft
4 main spans
Daily traffic
731
2015 count
Owner
State
State Highway Agency

About this bridge

Willmsprt-Blomgrv over I-71 is a steel continuous stringer/multi-beam or girder carrying Willmsprt-Blomgrv over I-71 in Morrow County, Ohio. It was built in 1959 and reconstructed in 2008, so it is 66 years old, older 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 731 vehicles a day, roughly 8% of them trucks, projected to reach 70,658 by 2035. The structure is 442 ft (134.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWillmsprt-Blomgrv
CrossesI-71
Location6.09 MI N of SR229
RouteCounty Highway 20
StateOhio
Coordinates40.46868, -82.75945
Functional classRural Minor Collector

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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length442 ft (134.6 m)
Longest span136 ft (41.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic731 (2015)
Projected traffic70,658 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Willmsprt-Blomgrv over I-71 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2008.

What condition is Willmsprt-Blomgrv over I-71 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 September 2024.

How much traffic does Willmsprt-Blomgrv over I-71 carry?

About 731 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Willmsprt-Blomgrv over I-71?

The structure is 442 ft (134.6 m) long with a longest span of 136 ft (41.4 m) and a deck 30 ft wide.

Who owns Willmsprt-Blomgrv over I-71?

It is owned by the State Highway Agency.