US Bridges

Birnamwood Blvd over Turkey Creek

Fair

Harris County, Texas · 0.20 MI S of FM 1960 · Structure no. 121020B07920001

Built
1986
39 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
13,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Birnamwood Blvd over Turkey Creek is a prestressed concrete box beam or girders - multiple carrying Birnamwood Blvd over Turkey Creek in Harris County, Texas. It was built in 1986, so it is 39 years old, younger 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 13,000 vehicles a day, roughly 2% of them trucks, projected to reach 15,000 by 2035. The structure is 212 ft (64.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBirnamwood Blvd
CrossesTurkey Creek
Location0.20 MI S of FM 1960
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates30.01423, -95.36383
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length212 ft (64.6 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2015)
Projected traffic15,000 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$13,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Birnamwood Blvd over Turkey Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Birnamwood Blvd over Turkey Creek 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 Birnamwood Blvd over Turkey Creek carry?

About 13,000 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Birnamwood Blvd over Turkey Creek?

The structure is 212 ft (64.6 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns Birnamwood Blvd over Turkey Creek?

It is owned by the City or Municipal Highway Agency.