US Bridges

US 69 NB over Chinn LN

Fair

Jefferson County, Texas · 5.1 MI N of IH 10 · Structure no. 201240006507120

Built
1978
47 years old, rebuilt 2020
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
457 ft
1 main span
Daily traffic
20,780
2020 count
Owner
State
State Highway Agency

About this bridge

US 69 NB over Chinn LN is a prestressed concrete continuous stringer/multi-beam or girder carrying US 69 NB over Chinn LN in Jefferson County, Texas. It was built in 1978 and reconstructed in 2020, so it is 47 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 20,780 vehicles a day, projected to reach 35,850 by 2031. The structure is 457 ft (139.3 m) long and 64 ft wide.

CarriesUS 69 NB
CrossesChinn LN
Location5.1 MI N of IH 10
RouteU.S. Route 69
StateTexas
Coordinates30.15295, -94.18046
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length457 ft (139.3 m)
Longest span95 ft (29 m)
Deck width64 ft (19.5 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,780 (2020)
Projected traffic35,850 by 2031
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US 69 NB over Chinn LN built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2020.

What condition is US 69 NB over Chinn LN 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 May 2022.

How much traffic does US 69 NB over Chinn LN carry?

About 20,780 vehicles per day (2020 count).

How long is US 69 NB over Chinn LN?

The structure is 457 ft (139.3 m) long with a longest span of 95 ft (29 m) and a deck 64 ft wide.

Who owns US 69 NB over Chinn LN?

It is owned by the State Highway Agency.