US Bridges

SR 1DUPONT RD over I-69 Nb/Sb

Good

Allen County, Indiana · 19.45 S SR 8 · Structure no. 000435

Built
1996
29 years old, rebuilt 2014
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
232 ft
2 main spans
Daily traffic
30,117
2021 count
Owner
State
State Highway Agency

About this bridge

SR 1DUPONT RD over I-69 Nb/Sb is a prestressed concrete continuous tee beam carrying SR 1DUPONT RD over I-69 Nb/Sb in Allen County, Indiana. It was built in 1996 and reconstructed in 2014, so it is 29 years old, younger 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 30,117 vehicles a day, roughly 8% of them trucks, projected to reach 39,194 by 2029. The structure is 232 ft (70.7 m) long and 90 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 1DUPONT RD
CrossesI-69 Nb/Sb
Location19.45 S SR 8
RouteState Highway 1
CountyAllen County
StateIndiana
Coordinates41.17889, -85.10347
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span115 ft (35 m)
Deck width90 ft (27.5 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,117 (2021)
Projected traffic39,194 by 2029
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed9.9 mi (16 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 SR 1DUPONT RD over I-69 Nb/Sb built?

It was built in 1996, making it 29 years old in 2025. It was reconstructed in 2014.

What condition is SR 1DUPONT RD over I-69 Nb/Sb 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 October 2024.

How much traffic does SR 1DUPONT RD over I-69 Nb/Sb carry?

About 30,117 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SR 1DUPONT RD over I-69 Nb/Sb?

The structure is 232 ft (70.7 m) long with a longest span of 115 ft (35 m) and a deck 90 ft wide.

Who owns SR 1DUPONT RD over I-69 Nb/Sb?

It is owned by the State Highway Agency.