US Bridges

Miller Rd. over Stream Miller RD

Good

Allen County, Ohio · 0.14 MI W of Slabtown RD · Structure no. 0243515

Built
1986
39 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
98
2015 count
Owner
County
County Highway Agency

About this bridge

Miller Rd. over Stream Miller RD is a prestressed concrete box beam or girders - multiple carrying Miller Rd. over Stream Miller RD in Allen County, Ohio. It was built in 1986, so it is 39 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 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 98 vehicles a day, roughly 7% of them trucks, projected to reach 136 by 2035. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMiller Rd.
CrossesStream Miller RD
Location0.14 MI W of Slabtown RD
RouteCounty Highway T0180
StateOhio
Coordinates40.86834, -84.05463
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2015)
Projected traffic136 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Miller Rd. over Stream Miller RD built?

It was built in 1986, making it 39 years old in 2025.

What condition is Miller Rd. over Stream Miller RD 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 August 2023.

How much traffic does Miller Rd. over Stream Miller RD carry?

About 98 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Miller Rd. over Stream Miller RD?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Miller Rd. over Stream Miller RD?

It is owned by the County Highway Agency.