US Bridges

Smith RD over Graham-Mcculloch Main

Good

Allen County, Indiana · 00.30 N Lower Huntng RD · Structure no. 0200152

Built
1960
65 years old, rebuilt 1988
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
5,025
2016 count
Owner
County
County Highway Agency

About this bridge

Smith RD over Graham-Mcculloch Main is a concrete slab carrying Smith RD over Graham-Mcculloch Main in Allen County, Indiana. It was built in 1960 and reconstructed in 1988, so it is 65 years old, older than the Indiana average of 46.6 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 5,025 vehicles a day, roughly 8% of them trucks, projected to reach 8,000 by 2036. The structure is 26 ft (7.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSmith RD
CrossesGraham-Mcculloch Main
Location00.30 N Lower Huntng RD
RouteCounty Highway 31
StateIndiana
Coordinates41.02025, -85.20749
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.4 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,025 (2016)
Projected traffic8,000 by 2036
Trucks8%
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 Smith RD over Graham-Mcculloch Main built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1988.

What condition is Smith RD over Graham-Mcculloch Main 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 Smith RD over Graham-Mcculloch Main carry?

About 5,025 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is Smith RD over Graham-Mcculloch Main?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.4 m) and a deck 40 ft wide.

Who owns Smith RD over Graham-Mcculloch Main?

It is owned by the County Highway Agency.