US Bridges

SR 930 over Trier Ditch

Fair

Allen County, Indiana · 02.05 W I-469 · Structure no. 008830

Built
1930
95 years old, rebuilt 2019
Condition
Fair
inspected August 2023
Type
Arch - Deck
Concrete
Length
95 ft
1 main span
Daily traffic
12,174
2020 count
Owner
State
State Highway Agency

About this bridge

SR 930 over Trier Ditch is a concrete arch - deck carrying SR 930 over Trier Ditch in Allen County, Indiana. It was built in 1930 and reconstructed in 2019, so it is 95 years old, older 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 6 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 12,174 vehicles a day, roughly 8% of them trucks, projected to reach 24,157 by 2034. The structure is 95 ft (28.9 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 930
CrossesTrier Ditch
Location02.05 W I-469
RouteState Highway 930
CountyAllen County
StateIndiana
Coordinates41.06868, -85.02804
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.7 US tons
Inventory rating40.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length95 ft (28.9 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,174 (2020)
Projected traffic24,157 by 2034
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 SR 930 over Trier Ditch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2019.

What condition is SR 930 over Trier Ditch 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 August 2023.

How much traffic does SR 930 over Trier Ditch carry?

About 12,174 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SR 930 over Trier Ditch?

The structure is 95 ft (28.9 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns SR 930 over Trier Ditch?

It is owned by the State Highway Agency.