US Bridges

US 27 SB over ST Marys River

Good

Allen County, Indiana · 02.32 S SR 930 · Structure no. 080060

Built
2011
14 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
278 ft
3 main spans
Daily traffic
27,226
2021 count
Owner
State
State Highway Agency

About this bridge

US 27 SB over ST Marys River is a prestressed concrete continuous tee beam carrying US 27 SB over ST Marys River in Allen County, Indiana. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 27,226 vehicles a day, roughly 5% of them trucks, projected to reach 26,070 by 2030. The structure is 278 ft (84.7 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 27 SB
CrossesST Marys River
Location02.32 S SR 930
RouteU.S. Route 27
StateIndiana
Coordinates41.08704, -85.1401
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating41.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length278 ft (84.7 m)
Longest span92 ft (28.1 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic27,226 (2021)
Projected traffic26,070 by 2030
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 27 SB over ST Marys River built?

It was built in 2011, making it 14 years old in 2025.

What condition is US 27 SB over ST Marys River 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 November 2024.

How much traffic does US 27 SB over ST Marys River carry?

About 27,226 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is US 27 SB over ST Marys River?

The structure is 278 ft (84.7 m) long with a longest span of 92 ft (28.1 m) and a deck 45 ft wide.

Who owns US 27 SB over ST Marys River?

It is owned by the State Highway Agency.