US Bridges

I-25 Nbl over Wyo 94 (esterbrook Rd)

Fair

Converse County, Wyoming · Douglas Marginal · Structure no. AGB

Built
1966
59 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
3,723
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Wyo 94 (esterbrook Rd) is a concrete continuous box beam or girders - multiple carrying I-25 Nbl over Wyo 94 (esterbrook Rd) in Converse County, Wyoming. It was built in 1966, so it is 59 years old, older than the Wyoming average of 48.4 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 3,723 vehicles a day, roughly 28% of them trucks, projected to reach 5,212 by 2043. The structure is 140 ft (42.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl
CrossesWyo 94 (esterbrook Rd)
LocationDouglas Marginal
RouteInterstate 25
StateWyoming
Coordinates42.75573, -105.40792
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
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 rating65.5 US tons
Inventory rating39.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span54 ft (16.5 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,723 (2024)
Projected traffic5,212 by 2043
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl over Wyo 94 (esterbrook Rd) built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-25 Nbl over Wyo 94 (esterbrook Rd) 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 April 2023.

How much traffic does I-25 Nbl over Wyo 94 (esterbrook Rd) carry?

About 3,723 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is I-25 Nbl over Wyo 94 (esterbrook Rd)?

The structure is 140 ft (42.7 m) long with a longest span of 54 ft (16.5 m) and a deck 41 ft wide.

Who owns I-25 Nbl over Wyo 94 (esterbrook Rd)?

It is owned by the State Highway Agency.