US Bridges

SR 55 over S Fork Montgomery Branch

Good

Benton County, Indiana · 02.67 S US 24 · Structure no. 076512

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
764
2021 count
Owner
State
State Highway Agency

About this bridge

SR 55 over S Fork Montgomery Branch is a concrete culvert carrying SR 55 over S Fork Montgomery Branch in Benton 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 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 764 vehicles a day, roughly 9% of them trucks, projected to reach 1,196 by 2034. The structure is 26 ft (7.9 m) long and 41 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR 55
CrossesS Fork Montgomery Branch
Location02.67 S US 24
RouteState Highway 55
StateIndiana
Coordinates40.72708, -87.32471
Functional classRural Major 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.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating65.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.2 m)
Deck width41 ft (12.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic764 (2021)
Projected traffic1,196 by 2034
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 55 over S Fork Montgomery Branch built?

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

What condition is SR 55 over S Fork Montgomery Branch 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 August 2023.

How much traffic does SR 55 over S Fork Montgomery Branch carry?

About 764 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 55 over S Fork Montgomery Branch?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.2 m) and a deck 41 ft wide.

Who owns SR 55 over S Fork Montgomery Branch?

It is owned by the State Highway Agency.