US Bridges

Bw 8 NB FR over Armand Relief

Fair

Harris County, Texas · 3.6 MI S of SH 225 · Structure no. 121020325603033

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
13,938
2023 count
Owner
State
State Highway Agency

About this bridge

Bw 8 NB FR over Armand Relief is a prestressed concrete stringer/multi-beam or girder carrying Bw 8 NB FR over Armand Relief in Harris County, Texas. It was built in 1970, so it is 55 years old, older than the Texas average of 44.4 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 13,938 vehicles a day, roughly 7% of them trucks, projected to reach 19,513 by 2042. The structure is 72 ft (21.9 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesBw 8 NB FR
CrossesArmand Relief
Location3.6 MI S of SH 225
RouteState Highway 8
CountyHarris County
StateTexas
Coordinates29.65981, -95.15584
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length72 ft (21.9 m)
Longest span71 ft (21.6 m)
Deck width42 ft (12.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,938 (2023)
Projected traffic19,513 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bw 8 NB FR over Armand Relief built?

It was built in 1970, making it 55 years old in 2025.

What condition is Bw 8 NB FR over Armand Relief 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 Bw 8 NB FR over Armand Relief carry?

About 13,938 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Bw 8 NB FR over Armand Relief?

The structure is 72 ft (21.9 m) long with a longest span of 71 ft (21.6 m) and a deck 42 ft wide.

Who owns Bw 8 NB FR over Armand Relief?

It is owned by the State Highway Agency.