US Bridges

Alley Betwn 8&9 ST over Numu Creek

PoorPosted for load

Comanche County, Oklahoma · .2N of Lee & .2E of 11 ST · Structure no. 241230000000000

Built
1920
105 years old, rebuilt 1931
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
3 main spans
Daily traffic
5
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alley Betwn 8&9 ST over Numu Creek is a steel stringer/multi-beam or girder carrying Alley Betwn 8&9 ST over Numu Creek in Comanche County, Oklahoma. It was built in 1920 and reconstructed in 1931, so it is 105 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 38 by 2042. The structure is 40 ft (12.2 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAlley Betwn 8&9 ST
CrossesNumu Creek
Location.2N of Lee & .2E of 11 ST
RouteCity Street E1668
Coordinates34.59793, -98.40115
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.2 US tons
Inventory rating9.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length40 ft (12.2 m)
Longest span16 ft (4.9 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2022)
Projected traffic38 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Alley Betwn 8&9 ST over Numu Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1931.

What condition is Alley Betwn 8&9 ST over Numu Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Alley Betwn 8&9 ST over Numu Creek carry?

About 5 vehicles per day (2022 count).

How long is Alley Betwn 8&9 ST over Numu Creek?

The structure is 40 ft (12.2 m) long with a longest span of 16 ft (4.9 m) and a deck 15 ft wide.

Who owns Alley Betwn 8&9 ST over Numu Creek?

It is owned by the City or Municipal Highway Agency.