US Bridges

Donati Drive over I-93

Fair

Merrimack County, New Hampshire · 0.1 MI Manchester Cl · Structure no. 012800920005900

Built
1976
49 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
2 main spans
Daily traffic
2,620
2023 count
Owner
State
State Highway Agency

About this bridge

Donati Drive over I-93 is a steel continuous stringer/multi-beam or girder carrying Donati Drive over I-93 in Merrimack County, New Hampshire. It was built in 1976, so it is 49 years old, younger than the New Hampshire average of 56.9 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 2,620 vehicles a day, roughly 4% of them trucks, projected to reach 3,877 by 2043. The structure is 256 ft (78 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDonati Drive
CrossesI-93
Location0.1 MI Manchester Cl
RouteCity Street 0
CountyMerrimack County
StateNew Hampshire
Coordinates43.03057, -71.44962
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.3 US tons
Inventory rating28.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length256 ft (78 m)
Longest span125 ft (38.1 m)
Deck width44 ft (13.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,620 (2023)
Projected traffic3,877 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Donati Drive over I-93 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Donati Drive over I-93 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 June 2024.

How much traffic does Donati Drive over I-93 carry?

About 2,620 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Donati Drive over I-93?

The structure is 256 ft (78 m) long with a longest span of 125 ft (38.1 m) and a deck 44 ft wide.

Who owns Donati Drive over I-93?

It is owned by the State Highway Agency.