US Bridges

Neff RD over Ottawa River Neff RD

Good

Allen County, Ohio · 0.18 MI E of Wapak RD · Structure no. 0253995

Built
1998
27 years old
Condition
Good
inspected June 2024
Type
Truss - Thru
Steel
Length
139 ft
1 main span
Daily traffic
117
2015 count
Owner
County
County Highway Agency

About this bridge

Neff RD over Ottawa River Neff RD is a steel truss - thru carrying Neff RD over Ottawa River Neff RD in Allen County, Ohio. It was built in 1998, so it is 27 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 117 vehicles a day, roughly 8% of them trucks, projected to reach 162 by 2035. The structure is 139 ft (42.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNeff RD
CrossesOttawa River Neff RD
Location0.18 MI E of Wapak RD
RouteCounty Highway T0092
StateOhio
Coordinates40.82526, -84.20562
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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length139 ft (42.5 m)
Longest span135 ft (41.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2015)
Projected traffic162 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Neff RD over Ottawa River Neff RD built?

It was built in 1998, making it 27 years old in 2025.

What condition is Neff RD over Ottawa River Neff 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 June 2024.

How much traffic does Neff RD over Ottawa River Neff RD carry?

About 117 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Neff RD over Ottawa River Neff RD?

The structure is 139 ft (42.5 m) long with a longest span of 135 ft (41.1 m) and a deck 28 ft wide.

Who owns Neff RD over Ottawa River Neff RD?

It is owned by the County Highway Agency.