US Bridges

Minnich Road NB over I-469 Nb/Sb

Fair

Allen County, Indiana · 01.73 W US 30 · Structure no. 032852

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
419 ft
2 main spans
Daily traffic
1,560
2019 count
Owner
State
State Highway Agency

About this bridge

Minnich Road NB over I-469 Nb/Sb is a steel continuous stringer/multi-beam or girder carrying Minnich Road NB over I-469 Nb/Sb in Allen County, Indiana. It was built in 1989, so it is 36 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,560 vehicles a day, roughly 4% of them trucks, projected to reach 1,849 by 2034. The structure is 419 ft (127.7 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMinnich Road NB
CrossesI-469 Nb/Sb
Location01.73 W US 30
RouteCounty Highway 0
CountyAllen County
StateIndiana
Coordinates41.04006, -85.00073
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length419 ft (127.7 m)
Longest span145 ft (44.1 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,560 (2019)
Projected traffic1,849 by 2034
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Minnich Road NB over I-469 Nb/Sb built?

It was built in 1989, making it 36 years old in 2025.

What condition is Minnich Road NB over I-469 Nb/Sb in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Minnich Road NB over I-469 Nb/Sb carry?

About 1,560 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Minnich Road NB over I-469 Nb/Sb?

The structure is 419 ft (127.7 m) long with a longest span of 145 ft (44.1 m) and a deck 31 ft wide.

Who owns Minnich Road NB over I-469 Nb/Sb?

It is owned by the State Highway Agency.