US Bridges

Grant City Road over Montgomery Creek

Fair

Henry County, Indiana · 00.10 S of CR 450 S · Structure no. 3300110

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
450
2019 count
Owner
County
County Highway Agency

About this bridge

Grant City Road over Montgomery Creek is a concrete continuous slab carrying Grant City Road over Montgomery Creek in Henry County, Indiana. It was built in 1965, so it is 60 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 450 vehicles a day, roughly 8% of them trucks, projected to reach 700 by 2039. The structure is 92 ft (28.1 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGrant City Road
CrossesMontgomery Creek
Location00.10 S of CR 450 S
RouteCounty Highway 0
StateIndiana
Coordinates39.86392, -85.54247
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28.1 m)
Longest span35 ft (10.8 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2019)
Projected traffic700 by 2039
Trucks8%
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 Grant City Road over Montgomery Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Grant City Road over Montgomery Creek 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 Grant City Road over Montgomery Creek carry?

About 450 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Grant City Road over Montgomery Creek?

The structure is 92 ft (28.1 m) long with a longest span of 35 ft (10.8 m) and a deck 29 ft wide.

Who owns Grant City Road over Montgomery Creek?

It is owned by the County Highway Agency.