US Bridges

Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr

Good

Huron County, Ohio · 0.4 MI N of Baseline RD · Structure no. 3948412

Built
1976
49 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
37 ft
1 main span
Daily traffic
72
2015 count
Owner
County
County Highway Agency

About this bridge

Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr is a concrete box beam or girders - multiple carrying Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr in Huron County, Ohio. It was built in 1976, so it is 49 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 72 vehicles a day, roughly 7% of them trucks, projected to reach 100 by 2035. The structure is 37 ft (11.3 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGrnwch Milan Tl 51
CrossesGrn MI T L/Sw Br Vrm Rvr
Location0.4 MI N of Baseline RD
RouteCounty Highway T0051
StateOhio
Coordinates40.99828, -82.53437
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2015)
Projected traffic100 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr built?

It was built in 1976, making it 49 years old in 2025.

What condition is Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr 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 May 2024.

How much traffic does Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr carry?

About 72 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns Grnwch Milan Tl 51 over Grn MI T L/Sw Br Vrm Rvr?

It is owned by the County Highway Agency.