US Bridges

Boltin St. over US35

Fair

Montgomery County, Ohio · 1.29MI.E. of Jct. SR-48 · Structure no. 5702585

Built
1971
54 years old, rebuilt 2007
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
320 ft
4 main spans
Daily traffic
100
1970 count
Owner
State
State Highway Agency

About this bridge

Boltin St. over US35 is a steel continuous stringer/multi-beam or girder carrying Boltin St. over US35 in Montgomery County, Ohio. It was built in 1971 and reconstructed in 2007, so it is 54 years old, older than the Ohio average of 47.3 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 100 vehicles a day, projected to reach 86,034 by 1990. The structure is 320 ft (97.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBoltin St.
CrossesUS35
Location1.29MI.E. of Jct. SR-48
RouteCity Street 257
StateOhio
Coordinates39.75493, -84.16611
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length320 ft (97.5 m)
Longest span105 ft (31.9 m)
Deck width52 ft (15.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1970)
Projected traffic86,034 by 1990
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boltin St. over US35 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2007.

What condition is Boltin St. over US35 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 October 2024.

How much traffic does Boltin St. over US35 carry?

About 100 vehicles per day (1970 count).

How long is Boltin St. over US35?

The structure is 320 ft (97.5 m) long with a longest span of 105 ft (31.9 m) and a deck 52 ft wide.

Who owns Boltin St. over US35?

It is owned by the State Highway Agency.