US Bridges

North Dunn Street over Griffy Creek

Good

Monroe County, Indiana · .1 Mile S. of Old S.R. 37 · Structure no. 5300172

Built
2009
16 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
206
2014 count
Owner
County
County Highway Agency

About this bridge

North Dunn Street over Griffy Creek is a concrete culvert carrying North Dunn Street over Griffy Creek in Monroe County, Indiana. It was built in 2009, so it is 16 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 206 vehicles a day, roughly 5% of them trucks, projected to reach 370 by 2034. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth Dunn Street
CrossesGriffy Creek
Location.1 Mile S. of Old S.R. 37
RouteCity Street 0
StateIndiana
Coordinates39.20616, -86.52866
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.7 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic206 (2014)
Projected traffic370 by 2034
Trucks5%
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 North Dunn Street over Griffy Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is North Dunn Street over Griffy Creek 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 March 2024.

How much traffic does North Dunn Street over Griffy Creek carry?

About 206 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is North Dunn Street over Griffy Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns North Dunn Street over Griffy Creek?

It is owned by the County Highway Agency.