US Bridges

9th ST over Big Duck Creek

Good

Madison County, Indiana · 00.30 S SR 28 · Structure no. 4800170

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
636
2023 count
Owner
County
County Highway Agency

About this bridge

9th ST over Big Duck Creek is a concrete continuous slab carrying 9th ST over Big Duck Creek in Madison County, Indiana. It was built in 1991, so it is 34 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 636 vehicles a day, roughly 3% of them trucks, projected to reach 901 by 2043. The structure is 121 ft (36.9 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries9th ST
CrossesBig Duck Creek
Location00.30 S SR 28
RouteCity Street 0
StateIndiana
Coordinates40.27266, -85.85026
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating100 US tons
Inventory rating76.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span47 ft (14.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic636 (2023)
Projected traffic901 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 9th ST over Big Duck Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is 9th ST over Big Duck 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 October 2024.

How much traffic does 9th ST over Big Duck Creek carry?

About 636 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is 9th ST over Big Duck Creek?

The structure is 121 ft (36.9 m) long with a longest span of 47 ft (14.4 m) and a deck 29 ft wide.

Who owns 9th ST over Big Duck Creek?

It is owned by the County Highway Agency.