US Bridges

Hawks Nest DR E over Or 70 Is 70

Fair

St. Charles County, Missouri · S 3280 T 46 N R 4 E · Structure no. 11911

Built
1998
27 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
349 ft
4 main spans
Daily traffic
8,672
2024 count
Owner
State
State Highway Agency

About this bridge

Hawks Nest DR E over Or 70 Is 70 is a steel continuous stringer/multi-beam or girder carrying Hawks Nest DR E over Or 70 Is 70 in St. Charles County, Missouri. It was built in 1998, so it is 27 years old, younger than the Missouri average of 45.1 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 8,672 vehicles a day, roughly 3% of them trucks, projected to reach 16,910 by 2044. The structure is 349 ft (106.4 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesHawks Nest DR E
CrossesOr 70 Is 70
LocationS 3280 T 46 N R 4 E
RouteCity Street 0
CountySt. Charles County
StateMissouri
Coordinates38.78177, -90.51945
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length349 ft (106.4 m)
Longest span94 ft (28.5 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,672 (2024)
Projected traffic16,910 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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 Hawks Nest DR E over Or 70 Is 70 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Hawks Nest DR E over Or 70 Is 70 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 2023.

How much traffic does Hawks Nest DR E over Or 70 Is 70 carry?

About 8,672 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Hawks Nest DR E over Or 70 Is 70?

The structure is 349 ft (106.4 m) long with a longest span of 94 ft (28.5 m) and a deck 48 ft wide.

Who owns Hawks Nest DR E over Or 70 Is 70?

It is owned by the State Highway Agency.