US Bridges

CR 4100 over N Prong Meridian Creek

Fair

Bosque County, Texas · 1.4 MI N of SH 22 · Structure no. 090180AA0111002

Built
1992
33 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
171 ft
5 main spans
Daily traffic
75
2020 count
Owner
County
County Highway Agency

About this bridge

CR 4100 over N Prong Meridian Creek is a concrete stringer/multi-beam or girder carrying CR 4100 over N Prong Meridian Creek in Bosque County, Texas. It was built in 1992, so it is 33 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 75 vehicles a day, projected to reach 95 by 2036. The structure is 171 ft (52.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 4100
CrossesN Prong Meridian Creek
Location1.4 MI N of SH 22
RouteCounty Highway 4100
CountyBosque County
StateTexas
Coordinates31.80181, -97.82431
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic95 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$785,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 4100 over N Prong Meridian Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 4100 over N Prong Meridian 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 January 2024.

How much traffic does CR 4100 over N Prong Meridian Creek carry?

About 75 vehicles per day (2020 count).

How long is CR 4100 over N Prong Meridian Creek?

The structure is 171 ft (52.1 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns CR 4100 over N Prong Meridian Creek?

It is owned by the County Highway Agency.